104456440 has 32 divisors (see below), whose sum is σ = 256394160. Its totient is φ = 37984000.

The previous prime is 104456393. The next prime is 104456459. The reversal of 104456440 is 44654401.

It is a super-2 number, since 2×104456440² = 21822295714947200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 104456399 and 104456408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118261 + ... + 119140.

Almost surely, 2^104456440 is an apocalyptic number.

104456440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104456440 is an abundant number, since it is smaller than the sum of its proper divisors (151937720).

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

104456440 is a wasteful number, since it uses less digits than its factorization.

104456440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237423 (or 237419 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 104456440 is about 10220.3933388104. The cubic root of 104456440 is about 470.9539099302.

The spelling of 104456440 in words is "one hundred four million, four hundred fifty-six thousand, four hundred forty".