536640864 has 48 divisors (see below), whose sum is σ = 1482828480. Its totient is φ = 169464960.

The previous prime is 536640829. The next prime is 536640901. The reversal of 536640864 is 468046635.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145282 + ... + 148929.

It is an arithmetic number, because the mean of its divisors is an integer number (30892260).

Almost surely, 2^536640864 is an apocalyptic number.

It is an amenable number.

536640864 is an abundant number, since it is smaller than the sum of its proper divisors (946187616).

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

536640864 is a wasteful number, since it uses less digits than its factorization.

536640864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294243 (or 294235 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 536640864 is about 23165.5102253328. The cubic root of 536640864 is about 812.6332349239.

The spelling of 536640864 in words is "five hundred thirty-six million, six hundred forty thousand, eight hundred sixty-four".