425663904 has 24 divisors (see below), whose sum is σ = 1117368000. Its totient is φ = 141887936.

The previous prime is 425663899. The next prime is 425663939. The reversal of 425663904 is 409366524.

It is a tau number, because it is divible by the number of its divisors (24).

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, 2216904 + ... + 2217095.

It is an arithmetic number, because the mean of its divisors is an integer number (46557000).

Almost surely, 2^425663904 is an apocalyptic number.

It is an amenable number.

425663904 is an abundant number, since it is smaller than the sum of its proper divisors (691704096).

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

425663904 is a wasteful number, since it uses less digits than its factorization.

425663904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434012 (or 4434004 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 425663904 is about 20631.6238817985. The cubic root of 425663904 is about 752.2385880944.

The spelling of 425663904 in words is "four hundred twenty-five million, six hundred sixty-three thousand, nine hundred four".