264305506000 has 40 divisors (see below), whose sum is σ = 639090718344. Its totient is φ = 105722201600.

The previous prime is 264305505983. The next prime is 264305506061. The reversal of 264305506000 is 605503462.

It can be written as a sum of positive squares in 4 ways, for example, as 6412165776 + 257893340224 = 80076^2 + 507832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 66074377 + ... + 66078376.

Almost surely, 2^264305506000 is an apocalyptic number.

264305506000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264305506000 is an abundant number, since it is smaller than the sum of its proper divisors (374785212344).

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

264305506000 is a wasteful number, since it uses less digits than its factorization.

264305506000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132152776 (or 132152760 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 264305506000 in words is "two hundred sixty-four billion, three hundred five million, five hundred six thousand".