264953378 has 8 divisors (see below), whose sum is σ = 403945500. Its totient is φ = 130304880.

The previous prime is 264953363. The next prime is 264953407. The reversal of 264953378 is 873359462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243765769 + 21187609 = 15613^2 + 4603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×264953378² = 140400585027221768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085753 + ... + 1085996.

Almost surely, 2^264953378 is an apocalyptic number.

264953378 is a deficient number, since it is larger than the sum of its proper divisors (138992122).

264953378 is a wasteful number, since it uses less digits than its factorization.

264953378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171812.

The product of its digits is 1088640, while the sum is 47.

The square root of 264953378 is about 16277.3885497644. The cubic root of 264953378 is about 642.2781586614.

The spelling of 264953378 in words is "two hundred sixty-four million, nine hundred fifty-three thousand, three hundred seventy-eight".