456056978 has 12 divisors (see below), whose sum is σ = 740755818. Its totient is φ = 210487680.

The previous prime is 456056969. The next prime is 456056983. The reversal of 456056978 is 879650654.

It can be written as a sum of positive squares in 3 ways, for example, as 165456769 + 290600209 = 12863^2 + 17047^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674303 + ... + 674978.

Almost surely, 2^456056978 is an apocalyptic number.

456056978 is a deficient number, since it is larger than the sum of its proper divisors (284698840).

456056978 is a wasteful number, since it uses less digits than its factorization.

456056978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349309 (or 1349296 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 456056978 is about 21355.4905820494. The cubic root of 456056978 is about 769.7322833847.

The spelling of 456056978 in words is "four hundred fifty-six million, fifty-six thousand, nine hundred seventy-eight".