425399860 has 24 divisors (see below), whose sum is σ = 914116896. Its totient is φ = 166202400.

The previous prime is 425399851. The next prime is 425399861. The reversal of 425399860 is 68993524.

It is a self number, because there is not a number n which added to its sum of digits gives 425399860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425399861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246466 + ... + 248185.

It is an arithmetic number, because the mean of its divisors is an integer number (38088204).

Almost surely, 2^425399860 is an apocalyptic number.

It is an amenable number.

425399860 is an abundant number, since it is smaller than the sum of its proper divisors (488717036).

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

425399860 is a wasteful number, since it uses less digits than its factorization.

425399860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494703 (or 494701 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 425399860 is about 20625.2238775728. The cubic root of 425399860 is about 752.0830152997.

The spelling of 425399860 in words is "four hundred twenty-five million, three hundred ninety-nine thousand, eight hundred sixty".