264027961536 has 112 divisors (see below), whose sum is σ = 715949401728. Its totient is φ = 85826764800.

The previous prime is 264027961531. The next prime is 264027961559. The reversal of 264027961536 is 635169720462.

It is not an unprimeable number, because it can be changed into a prime (264027961531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5267151 + ... + 5317041.

Almost surely, 2^264027961536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264027961536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357974700864).

264027961536 is an abundant number, since it is smaller than the sum of its proper divisors (451921440192).

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

264027961536 is a wasteful number, since it uses less digits than its factorization.

264027961536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50590 (or 50580 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 264027961536 in words is "two hundred sixty-four billion, twenty-seven million, nine hundred sixty-one thousand, five hundred thirty-six".