264372378 has 16 divisors (see below), whose sum is σ = 528905376. Its totient is φ = 88097360.

The previous prime is 264372359. The next prime is 264372397. The reversal of 264372378 is 873273462.

It is an interprime number because it is at equal distance from previous prime (264372359) and next prime (264372397).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31288 + ... + 38828.

It is an arithmetic number, because the mean of its divisors is an integer number (33056586).

Almost surely, 2^264372378 is an apocalyptic number.

264372378 is an abundant number, since it is smaller than the sum of its proper divisors (264532998).

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

264372378 is a wasteful number, since it uses less digits than its factorization.

264372378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13389.

The product of its digits is 338688, while the sum is 42.

The square root of 264372378 is about 16259.5319120816. The cubic root of 264372378 is about 641.8083443010.

The spelling of 264372378 in words is "two hundred sixty-four million, three hundred seventy-two thousand, three hundred seventy-eight".