440351694172 has 12 divisors (see below), whose sum is σ = 829893577576. Its totient is φ = 203239243440.

The previous prime is 440351694163. The next prime is 440351694187. The reversal of 440351694172 is 271496153044.

It is a super-2 number, since 2×440351694172² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) 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, 4234150854 + ... + 4234150957.

Almost surely, 2^440351694172 is an apocalyptic number.

It is an amenable number.

440351694172 is a deficient number, since it is larger than the sum of its proper divisors (389541883404).

440351694172 is a wasteful number, since it uses less digits than its factorization.

440351694172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468301828 (or 8468301826 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 440351694172 in words is "four hundred forty billion, three hundred fifty-one million, six hundred ninety-four thousand, one hundred seventy-two".