264604141325640 has 128 divisors (see below), whose sum is σ = 801538853955840. Its totient is φ = 69874343940096.

The previous prime is 264604141325611. The next prime is 264604141325653. The reversal of 264604141325640 is 46523141406462.

It is a self number, because there is not a number n which added to its sum of digits gives 264604141325640.

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, 555380964 + ... + 555857196.

It is an arithmetic number, because the mean of its divisors is an integer number (6262022296530).

Almost surely, 2^{264604141325640} is an apocalyptic number.

264604141325640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264604141325640 is an abundant number, since it is smaller than the sum of its proper divisors (536934712630200).

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

264604141325640 is a wasteful number, since it uses less digits than its factorization.

264604141325640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521303 (or 521299 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 264604141325640 in words is "two hundred sixty-four trillion, six hundred four billion, one hundred forty-one million, three hundred twenty-five thousand, six hundred forty".