264665500550 has 48 divisors (see below), whose sum is σ = 537137946864. Its totient is φ = 96222720000.

The previous prime is 264665500549. The next prime is 264665500573. The reversal of 264665500550 is 55005566462.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2858990 + ... + 2950110.

It is an arithmetic number, because the mean of its divisors is an integer number (11190373893).

Almost surely, 2^264665500550 is an apocalyptic number.

264665500550 is an abundant number, since it is smaller than the sum of its proper divisors (272472446314).

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

264665500550 is a wasteful number, since it uses less digits than its factorization.

264665500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96425 (or 96420 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 264665500550 in words is "two hundred sixty-four billion, six hundred sixty-five million, five hundred thousand, five hundred fifty".