440097872 has 20 divisors (see below), whose sum is σ = 862965600. Its totient is φ = 217397088.

The previous prime is 440097863. The next prime is 440097913. The reversal of 440097872 is 278790044.

It is a super-2 number, since 2×440097872² = 387372273877856768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 164372 + ... + 167027.

It is an arithmetic number, because the mean of its divisors is an integer number (43148280).

Almost surely, 2^440097872 is an apocalyptic number.

It is an amenable number.

440097872 is a deficient number, since it is larger than the sum of its proper divisors (422867728).

440097872 is a wasteful number, since it uses less digits than its factorization.

440097872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331490 (or 331484 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 440097872 is about 20978.5097659486. The cubic root of 440097872 is about 760.6468822992.

The spelling of 440097872 in words is "four hundred forty million, ninety-seven thousand, eight hundred seventy-two".