264738988 has 24 divisors (see below), whose sum is σ = 467470080. Its totient is φ = 131182080.

The previous prime is 264738979. The next prime is 264739001. The reversal of 264738988 is 889837462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284508 + ... + 285436.

It is an arithmetic number, because the mean of its divisors is an integer number (19477920).

Almost surely, 2^264738988 is an apocalyptic number.

It is an amenable number.

264738988 is a deficient number, since it is larger than the sum of its proper divisors (202731092).

264738988 is a wasteful number, since it uses less digits than its factorization.

264738988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 264738988 is about 16270.8017012070. The cubic root of 264738988 is about 642.1048763879.

The spelling of 264738988 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, nine hundred eighty-eight".