264637504768 has 288 divisors, whose sum is σ = 675363239936. Its totient is φ = 100705296384.

The previous prime is 264637504757. The next prime is 264637504843. The reversal of 264637504768 is 867405736462.

It is a congruent number.

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, 67113805 + ... + 67117747.

Almost surely, 2^264637504768 is an apocalyptic number.

264637504768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264637504768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337681619968).

264637504768 is an abundant number, since it is smaller than the sum of its proper divisors (410725735168).

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

264637504768 is a wasteful number, since it uses less digits than its factorization.

264637504768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089 (or 4075 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 264637504768 in words is "two hundred sixty-four billion, six hundred thirty-seven million, five hundred four thousand, seven hundred sixty-eight".