264538068212 has 48 divisors (see below), whose sum is σ = 535380995520. Its totient is φ = 113034585600.

The previous prime is 264538068209. The next prime is 264538068233. The reversal of 264538068212 is 212860835462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406787 + ... + 833397.

It is an arithmetic number, because the mean of its divisors is an integer number (11153770740).

Almost surely, 2^264538068212 is an apocalyptic number.

264538068212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

264538068212 is an abundant number, since it is smaller than the sum of its proper divisors (270842927308).

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

264538068212 is a wasteful number, since it uses less digits than its factorization.

264538068212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427472 (or 427470 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 264538068212 in words is "two hundred sixty-four billion, five hundred thirty-eight million, sixty-eight thousand, two hundred twelve".