425885388 has 24 divisors (see below), whose sum is σ = 1036939008. Its totient is φ = 135789456.

The previous prime is 425885357. The next prime is 425885393. The reversal of 425885388 is 883588524.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 425885388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771256 + ... + 771807.

It is an arithmetic number, because the mean of its divisors is an integer number (43205792).

Almost surely, 2^425885388 is an apocalyptic number.

It is an amenable number.

425885388 is an abundant number, since it is smaller than the sum of its proper divisors (611053620).

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

425885388 is a wasteful number, since it uses less digits than its factorization.

425885388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543093 (or 1543091 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 51.

The square root of 425885388 is about 20636.9907690051. The cubic root of 425885388 is about 752.3690352393.

The spelling of 425885388 in words is "four hundred twenty-five million, eight hundred eighty-five thousand, three hundred eighty-eight".