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1441440420 = 223573432001
BaseRepresentation
bin101010111101010…
…1010001010100100
310201110022202112020
41111322222022210
510423002043140
6355011023140
750502020130
oct12572521244
93643282466
101441440420
1167a723582
1234289aab0
1319c82ab34
14d961c3c0
158682d6d0
hex55eaa2a4

1441440420 has 48 divisors (see below), whose sum is σ = 4612610688. Its totient is φ = 329472000.

The previous prime is 1441440419. The next prime is 1441440439. The reversal of 1441440420 is 240441441.

It is a happy number.

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, 1715581 + ... + 1716420.

It is an arithmetic number, because the mean of its divisors is an integer number (96096056).

Almost surely, 21441440420 is an apocalyptic number.

1441440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441440420 is an abundant number, since it is smaller than the sum of its proper divisors (3171170268).

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

1441440420 is a wasteful number, since it uses less digits than its factorization.

1441440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432020 (or 3432018 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1441440420 is about 37966.3063781559. The cubic root of 1441440420 is about 1129.6196333814.

Adding to 1441440420 its reverse (240441441), we get a palindrome (1681881861).

The spelling of 1441440420 in words is "one billion, four hundred forty-one million, four hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 3432001 6864002 10296003 13728004 17160005 20592006 24024007 34320010 41184012 48048014 51480015 68640020 72072021 96096028 102960030 120120035 144144042 205920060 240240070 288288084 360360105 480480140 720720210 1441440420