425392578 has 48 divisors (see below), whose sum is σ = 994102200. Its totient is φ = 130689792.

The previous prime is 425392573. The next prime is 425392579. The reversal of 425392578 is 875293524.

425392578 is a `hidden beast` number, since 42 + 5 + 39 + 2 + 578 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 367373889 + 58018689 = 19167^2 + 7617^2 .

Its product of digits (604800) is a multiple of the sum of its prime divisors (2800).

It is not an unprimeable number, because it can be changed into a prime (425392573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244600 + ... + 246332.

Almost surely, 2^425392578 is an apocalyptic number.

425392578 is an abundant number, since it is smaller than the sum of its proper divisors (568709622).

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

425392578 is a wasteful number, since it uses less digits than its factorization.

425392578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2800 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 425392578 is about 20625.0473454002. The cubic root of 425392578 is about 752.0787238865.

The spelling of 425392578 in words is "four hundred twenty-five million, three hundred ninety-two thousand, five hundred seventy-eight".