465978456 has 48 divisors (see below), whose sum is σ = 1265481360. Its totient is φ = 154900800.

The previous prime is 465978433. The next prime is 465978463. The reversal of 465978456 is 654879564.

465978456 is a `hidden beast` number, since 4 + 6 + 597 + 8 + 45 + 6 = 666.

It is a super-2 number, since 2×465978456² = 434271842912287872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18181 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (26364195).

Almost surely, 2^465978456 is an apocalyptic number.

It is an amenable number.

465978456 is an abundant number, since it is smaller than the sum of its proper divisors (799502904).

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

465978456 is a wasteful number, since it uses less digits than its factorization.

465978456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736 (or 17729 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 465978456 is about 21586.5341358913. The cubic root of 465978456 is about 775.2741068562.

The spelling of 465978456 in words is "four hundred sixty-five million, nine hundred seventy-eight thousand, four hundred fifty-six".