64532089828580 has 24 divisors (see below), whose sum is σ = 147837151244160. Its totient is φ = 23466214483040.

The previous prime is 64532089828537. The next prime is 64532089828627. The reversal of 64532089828580 is 8582898023546.

It is a self number, because there is not a number n which added to its sum of digits gives 64532089828580.

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, 146663840300 + ... + 146663840739.

It is an arithmetic number, because the mean of its divisors is an integer number (6159881301840).

Almost surely, 2^{64532089828580} is an apocalyptic number.

It is an amenable number.

64532089828580 is an abundant number, since it is smaller than the sum of its proper divisors (83305061415580).

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

64532089828580 is a wasteful number, since it uses less digits than its factorization.

64532089828580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293327681059 (or 293327681057 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 68.

The spelling of 64532089828580 in words is "sixty-four trillion, five hundred thirty-two billion, eighty-nine million, eight hundred twenty-eight thousand, five hundred eighty".