532766640 has 80 divisors (see below), whose sum is σ = 1887522048. Its totient is φ = 121774848.

The previous prime is 532766639. The next prime is 532766671. The reversal of 532766640 is 46667235.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156882 + ... + 160241.

Almost surely, 2^532766640 is an apocalyptic number.

It is an amenable number.

532766640 is an abundant number, since it is smaller than the sum of its proper divisors (1354755408).

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

532766640 is a wasteful number, since it uses less digits than its factorization.

532766640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317146 (or 317140 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 532766640 is about 23081.7382361034. The cubic root of 532766640 is about 810.6729356745.

The spelling of 532766640 in words is "five hundred thirty-two million, seven hundred sixty-six thousand, six hundred forty".