456522612578 has 6 divisors (see below), whose sum is σ = 684785352171. Its totient is φ = 228260828522.

The previous prime is 456522612577. The next prime is 456522612631. The reversal of 456522612578 is 875216225654.

It can be written as a sum of positive squares in only one way, i.e., 228261306289 + 228261306289 = 477767^2 + 477767^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=477767.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456522612571) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 716651 + ... + 1194417.

Almost surely, 2^456522612578 is an apocalyptic number.

456522612578 is a deficient number, since it is larger than the sum of its proper divisors (228262739593).

456522612578 is an frugal number, since it uses more digits than its factorization.

456522612578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955536 (or 477769 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 53.

The spelling of 456522612578 in words is "four hundred fifty-six billion, five hundred twenty-two million, six hundred twelve thousand, five hundred seventy-eight".