264648259536 has 80 divisors (see below), whose sum is σ = 688643923968. Its totient is φ = 87577200000.

The previous prime is 264648259517. The next prime is 264648259567. The reversal of 264648259536 is 635952846462.

It is a self number, because there is not a number n which added to its sum of digits gives 264648259536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662961 + ... + 3734511.

Almost surely, 2^264648259536 is an apocalyptic number.

It is an amenable number.

264648259536 is an abundant number, since it is smaller than the sum of its proper divisors (423995664432).

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

264648259536 is a wasteful number, since it uses less digits than its factorization.

264648259536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72120 (or 72114 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 60.

The spelling of 264648259536 in words is "two hundred sixty-four billion, six hundred forty-eight million, two hundred fifty-nine thousand, five hundred thirty-six".