425399580 has 48 divisors (see below), whose sum is σ = 1323467040. Its totient is φ = 113439744.

The previous prime is 425399573. The next prime is 425399603. The reversal of 425399580 is 85993524.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 393349 + ... + 394428.

It is an arithmetic number, because the mean of its divisors is an integer number (27572230).

Almost surely, 2^425399580 is an apocalyptic number.

It is an amenable number.

425399580 is an abundant number, since it is smaller than the sum of its proper divisors (898067460).

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

425399580 is a wasteful number, since it uses less digits than its factorization.

425399580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787795 (or 787787 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 425399580 is about 20625.2170897666. The cubic root of 425399580 is about 752.0828502916.

The spelling of 425399580 in words is "four hundred twenty-five million, three hundred ninety-nine thousand, five hundred eighty".