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440203021141240 = 23571572153646933
BaseRepresentation
bin110010000010111001100000…
…0101101000100010011111000
32010201121222221102021200121201
41210011303000231010103320
5430144241241403004430
64200122250502543544
7161502422142150130
oct14405630055042370
92121558842250551
10440203021141240
11118298064402005
1241456365137bb4
1315b81c7500b906
147a9bd23151ac0
1535d5a5663c8ca
hex1905cc0b444f8

440203021141240 has 32 divisors (see below), whose sum is σ = 1131950625792480. Its totient is φ = 150926750105472.

The previous prime is 440203021141201. The next prime is 440203021141243. The reversal of 440203021141240 is 42141120302044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 440203021141199 and 440203021141208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440203021141243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786076823187 + ... + 786076823746.

It is an arithmetic number, because the mean of its divisors is an integer number (35373457056015).

Almost surely, 2440203021141240 is an apocalyptic number.

440203021141240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440203021141240 is an abundant number, since it is smaller than the sum of its proper divisors (691747604651240).

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

440203021141240 is a wasteful number, since it uses less digits than its factorization.

440203021141240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572153646951 (or 1572153646947 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 440203021141240 its reverse (42141120302044), we get a palindrome (482344141443284).

The spelling of 440203021141240 in words is "four hundred forty trillion, two hundred three billion, twenty-one million, one hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1572153646933 3144307293866 6288614587732 7860768234665 11005075528531 12577229175464 15721536469330 22010151057062 31443072938660 44020302114124 55025377642655 62886145877320 88040604228248 110050755285310 220101510570620 440203021141240