264538068210 has 64 divisors (see below), whose sum is σ = 759699077760. Its totient is φ = 65117062080.

The previous prime is 264538068209. The next prime is 264538068233. The reversal of 264538068210 is 12860835462.

264538068210 is a `hidden beast` number, since 26 + 4 + 538 + 0 + 6 + 82 + 10 = 666.

It is a super-2 number, since 2×264538068210² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37679976 + ... + 37686995.

It is an arithmetic number, because the mean of its divisors is an integer number (11870298090).

Almost surely, 2^264538068210 is an apocalyptic number.

264538068210 is an abundant number, since it is smaller than the sum of its proper divisors (495161009550).

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

264538068210 is a wasteful number, since it uses less digits than its factorization.

264538068210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75367000 (or 75366994 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 264538068210 in words is "two hundred sixty-four billion, five hundred thirty-eight million, sixty-eight thousand, two hundred ten".