425392590 has 128 divisors (see below), whose sum is σ = 1259919360. Its totient is φ = 89768448.

The previous prime is 425392579. The next prime is 425392603. The reversal of 425392590 is 95293524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138552 + ... + 141588.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^425392590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425392590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629959680).

425392590 is an abundant number, since it is smaller than the sum of its proper divisors (834526770).

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

425392590 is a wasteful number, since it uses less digits than its factorization.

425392590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 425392590 is about 20625.0476363086. The cubic root of 425392590 is about 752.0787309583.

The spelling of 425392590 in words is "four hundred twenty-five million, three hundred ninety-two thousand, five hundred ninety".