402560230530 has 64 divisors (see below), whose sum is σ = 969776748288. Its totient is φ = 106946231040.

The previous prime is 402560230517. The next prime is 402560230607. The reversal of 402560230530 is 35032065204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16944460 + ... + 16968200.

It is an arithmetic number, because the mean of its divisors is an integer number (15152761692).

Almost surely, 2^402560230530 is an apocalyptic number.

402560230530 is an abundant number, since it is smaller than the sum of its proper divisors (567216517758).

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

402560230530 is a wasteful number, since it uses less digits than its factorization.

402560230530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25851.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 402560230530 its reverse (35032065204), we get a palindrome (437592295734).

The spelling of 402560230530 in words is "four hundred two billion, five hundred sixty million, two hundred thirty thousand, five hundred thirty".