264552385428 has 36 divisors (see below), whose sum is σ = 672090109600. Its totient is φ = 87740989776.

The previous prime is 264552385403. The next prime is 264552385499. The reversal of 264552385428 is 824583255462.

264552385428 is a `hidden beast` number, since 2 + 6 + 4 + 552 + 3 + 85 + 4 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18456850 + ... + 18471177.

Almost surely, 2^264552385428 is an apocalyptic number.

It is an amenable number.

264552385428 is an abundant number, since it is smaller than the sum of its proper divisors (407537724172).

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

264552385428 is a wasteful number, since it uses less digits than its factorization.

264552385428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36928236 (or 36928231 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 54.

The spelling of 264552385428 in words is "two hundred sixty-four billion, five hundred fifty-two million, three hundred eighty-five thousand, four hundred twenty-eight".