264402402 has 16 divisors (see below), whose sum is σ = 576878112. Its totient is φ = 80121920.

The previous prime is 264402361. The next prime is 264402419. The reversal of 264402402 is 204204462.

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, 2002983 + ... + 2003114.

It is an arithmetic number, because the mean of its divisors is an integer number (36054882).

Almost surely, 2^264402402 is an apocalyptic number.

264402402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

264402402 is an abundant number, since it is smaller than the sum of its proper divisors (312475710).

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

264402402 is a wasteful number, since it uses less digits than its factorization.

264402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006113.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 264402402 is about 16260.4551596811. The cubic root of 264402402 is about 641.8326394819.

Adding to 264402402 its reverse (204204462), we get a palindrome (468606864).

The spelling of 264402402 in words is "two hundred sixty-four million, four hundred two thousand, four hundred two".