32125520140 has 72 divisors (see below), whose sum is σ = 78510291552. Its totient is φ = 11009940480.

The previous prime is 32125520101. The next prime is 32125520173. The reversal of 32125520140 is 4102552123.

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 23 ways as a sum of consecutive naturals, for example, 3122044 + ... + 3132316.

It is an arithmetic number, because the mean of its divisors is an integer number (1090420716).

Almost surely, 2^32125520140 is an apocalyptic number.

It is an amenable number.

32125520140 is an abundant number, since it is smaller than the sum of its proper divisors (46384771412).

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

32125520140 is a wasteful number, since it uses less digits than its factorization.

32125520140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487 (or 13478 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 32125520140 in words is "thirty-two billion, one hundred twenty-five million, five hundred twenty thousand, one hundred forty".