264557271480 has 256 divisors, whose sum is σ = 885557836800. Its totient is φ = 62835056640.

The previous prime is 264557271469. The next prime is 264557271521. The reversal of 264557271480 is 84172755462.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41198670 + ... + 41205090.

It is an arithmetic number, because the mean of its divisors is an integer number (3459210300).

Almost surely, 2^264557271480 is an apocalyptic number.

264557271480 is a gapful number since it is divisible by the number (20) 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 264557271480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442778918400).

264557271480 is an abundant number, since it is smaller than the sum of its proper divisors (621000565320).

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

264557271480 is a wasteful number, since it uses less digits than its factorization.

264557271480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534 (or 7530 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 264557271480 in words is "two hundred sixty-four billion, five hundred fifty-seven million, two hundred seventy-one thousand, four hundred eighty".