104430440 has 16 divisors (see below), whose sum is σ = 234968580. Its totient is φ = 41772160.

The previous prime is 104430427. The next prime is 104430457. The reversal of 104430440 is 44034401.

It can be written as a sum of positive squares in 2 ways, for example, as 102292996 + 2137444 = 10114^2 + 1462^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305341 + ... + 1305420.

Almost surely, 2^104430440 is an apocalyptic number.

104430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104430440 is an abundant number, since it is smaller than the sum of its proper divisors (130538140).

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

104430440 is a wasteful number, since it uses less digits than its factorization.

104430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610772 (or 2610768 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104430440 is about 10219.1212929488. The cubic root of 104430440 is about 470.9148320213.

Adding to 104430440 its reverse (44034401), we get a palindrome (148464841).

The spelling of 104430440 in words is "one hundred four million, four hundred thirty thousand, four hundred forty".