264144257916 has 576 divisors, whose sum is σ = 848156789760. Its totient is φ = 62407065600.

The previous prime is 264144257899. The next prime is 264144257929. The reversal of 264144257916 is 619752441462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 577995960 + ... + 577996416.

Almost surely, 2^264144257916 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 264144257916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424078394880).

264144257916 is an abundant number, since it is smaller than the sum of its proper divisors (584012531844).

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

264144257916 is a wasteful number, since it uses less digits than its factorization.

264144257916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 613 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 264144257916 in words is "two hundred sixty-four billion, one hundred forty-four million, two hundred fifty-seven thousand, nine hundred sixteen".