264936378 has 32 divisors (see below), whose sum is σ = 608190336. Its totient is φ = 75368448.

The previous prime is 264936377. The next prime is 264936403. The reversal of 264936378 is 873639462.

It is not an unprimeable number, because it can be changed into a prime (264936377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751 + ... + 23322.

It is an arithmetic number, because the mean of its divisors is an integer number (19005948).

Almost surely, 2^264936378 is an apocalyptic number.

264936378 is an abundant number, since it is smaller than the sum of its proper divisors (343253958).

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

264936378 is a wasteful number, since it uses less digits than its factorization.

264936378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27318.

The product of its digits is 1306368, while the sum is 48.

The square root of 264936378 is about 16276.8663446009. The cubic root of 264936378 is about 642.2644217009.

The spelling of 264936378 in words is "two hundred sixty-four million, nine hundred thirty-six thousand, three hundred seventy-eight".