264144504660 has 96 divisors (see below), whose sum is σ = 742011604992. Its totient is φ = 70209659520.

The previous prime is 264144504619. The next prime is 264144504671. The reversal of 264144504660 is 66405441462.

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, 26614459 + ... + 26624381.

It is an arithmetic number, because the mean of its divisors is an integer number (7729287552).

Almost surely, 2^264144504660 is an apocalyptic number.

264144504660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264144504660 is an abundant number, since it is smaller than the sum of its proper divisors (477867100332).

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

264144504660 is a wasteful number, since it uses less digits than its factorization.

264144504660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333 (or 11331 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 264144504660 in words is "two hundred sixty-four billion, one hundred forty-four million, five hundred four thousand, six hundred sixty".