264125642 has 16 divisors (see below), whose sum is σ = 446148864. Its totient is φ = 116184000.

The previous prime is 264125633. The next prime is 264125657. The reversal of 264125642 is 246521462.

It is a junction number, because it is equal to n+sod(n) for n = 264125599 and 264125608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192959 + ... + 194322.

It is an arithmetic number, because the mean of its divisors is an integer number (27884304).

Almost surely, 2^264125642 is an apocalyptic number.

264125642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

264125642 is a deficient number, since it is larger than the sum of its proper divisors (182023222).

264125642 is a wasteful number, since it uses less digits than its factorization.

264125642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387325.

The product of its digits is 23040, while the sum is 32.

The square root of 264125642 is about 16251.9427146418. The cubic root of 264125642 is about 641.6086177955.

The spelling of 264125642 in words is "two hundred sixty-four million, one hundred twenty-five thousand, six hundred forty-two".