32405978374252 has 24 divisors (see below), whose sum is σ = 64819135452960. Its totient is φ = 13886738152320.

The previous prime is 32405978374183. The next prime is 32405978374331. The reversal of 32405978374252 is 25247387950423.

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, 63838249 + ... + 64343872.

It is an arithmetic number, because the mean of its divisors is an integer number (2700797310540).

Almost surely, 2^{32405978374252} is an apocalyptic number.

It is an amenable number.

32405978374252 is an abundant number, since it is smaller than the sum of its proper divisors (32413157078708).

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

32405978374252 is a wasteful number, since it uses less digits than its factorization.

32405978374252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128191161 (or 128191159 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 32405978374252 in words is "thirty-two trillion, four hundred five billion, nine hundred seventy-eight million, three hundred seventy-four thousand, two hundred fifty-two".