264278114671780 has 72 divisors (see below), whose sum is σ = 610037071338240. Its totient is φ = 96099038798400.

The previous prime is 264278114671763. The next prime is 264278114671789. The reversal of 264278114671780 is 87176411872462.

It is not an unprimeable number, because it can be changed into a prime (264278114671789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112135725 + ... + 114468235.

It is an arithmetic number, because the mean of its divisors is an integer number (8472737101920).

Almost surely, 2^{264278114671780} is an apocalyptic number.

264278114671780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264278114671780 is an abundant number, since it is smaller than the sum of its proper divisors (345758956666460).

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

264278114671780 is a wasteful number, since it uses less digits than its factorization.

264278114671780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379361 (or 2379348 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 64.

The spelling of 264278114671780 in words is "two hundred sixty-four trillion, two hundred seventy-eight billion, one hundred fourteen million, six hundred seventy-one thousand, seven hundred eighty".