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1441441040 = 245132575393
BaseRepresentation
bin101010111101010…
…1010010100010000
310201110022210101012
41111322222110100
510423002103130
6355011030052
750502022004
oct12572522420
93643283335
101441441040
1167a723a96
1234289b328
1319c82b1c0
14d961c704
158682d995
hex55eaa510

1441441040 has 80 divisors (see below), whose sum is σ = 3623861808. Its totient is φ = 530055168.

The previous prime is 1441441039. The next prime is 1441441051. The reversal of 1441441040 is 401441441.

It can be written as a sum of positive squares in 8 ways, for example, as 167236624 + 1274204416 = 12932^2 + 35696^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1441440997 and 1441441015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264584 + ... + 269976.

Almost surely, 21441441040 is an apocalyptic number.

1441441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1441441040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811930904).

1441441040 is an abundant number, since it is smaller than the sum of its proper divisors (2182420768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1441441040 is a wasteful number, since it uses less digits than its factorization.

1441441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 5670 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1441441040 is about 37966.3145432896. The cubic root of 1441441040 is about 1129.6197953407.

Adding to 1441441040 its reverse (401441441), we get a palindrome (1842882481).

The spelling of 1441441040 in words is "one billion, four hundred forty-one million, four hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 257 260 514 520 1028 1040 1285 2056 2570 3341 4112 5140 5393 6682 10280 10786 13364 16705 20560 21572 26728 26965 33410 43144 53456 53930 66820 70109 86288 107860 133640 140218 215720 267280 280436 350545 431440 560872 701090 1121744 1386001 1402180 2772002 2804360 5544004 5608720 6930005 11088008 13860010 18018013 22176016 27720020 36036026 55440040 72072052 90090065 110880080 144144104 180180130 288288208 360360260 720720520 1441441040