32012495520 has 96 divisors (see below), whose sum is σ = 103184528832. Its totient is φ = 8338132992.

The previous prime is 32012495509. The next prime is 32012495521. The reversal of 32012495520 is 2559421023.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (32012495521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754857 + ... + 796136.

It is an arithmetic number, because the mean of its divisors is an integer number (1074838842).

Almost surely, 2^32012495520 is an apocalyptic number.

32012495520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32012495520 is an abundant number, since it is smaller than the sum of its proper divisors (71172033312).

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

32012495520 is a wasteful number, since it uses less digits than its factorization.

32012495520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551054 (or 1551046 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 32012495520 in words is "thirty-two billion, twelve million, four hundred ninety-five thousand, five hundred twenty".