425578764 has 48 divisors (see below), whose sum is σ = 1089601632. Its totient is φ = 128474112.

The previous prime is 425578753. The next prime is 425578781. The reversal of 425578764 is 467875524.

It is a super-2 number, since 2×425578764² = 362234568735535392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17469 + ... + 34004.

It is an arithmetic number, because the mean of its divisors is an integer number (22700034).

Almost surely, 2^425578764 is an apocalyptic number.

It is an amenable number.

425578764 is an abundant number, since it is smaller than the sum of its proper divisors (664022868).

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

425578764 is a wasteful number, since it uses less digits than its factorization.

425578764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51546 (or 51544 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The square root of 425578764 is about 20629.5604412697. The cubic root of 425578764 is about 752.1884312584.

The spelling of 425578764 in words is "four hundred twenty-five million, five hundred seventy-eight thousand, seven hundred sixty-four".