120640544752 has 80 divisors (see below), whose sum is σ = 294371714560. Its totient is φ = 46616000256.

The previous prime is 120640544749. The next prime is 120640544767. The reversal of 120640544752 is 257445046021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900852 + ... + 1026067.

It is an arithmetic number, because the mean of its divisors is an integer number (3679646432).

Almost surely, 2^120640544752 is an apocalyptic number.

It is an amenable number.

120640544752 is an abundant number, since it is smaller than the sum of its proper divisors (173731169808).

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

120640544752 is a wasteful number, since it uses less digits than its factorization.

120640544752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926990 (or 1926984 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 120640544752 in words is "one hundred twenty billion, six hundred forty million, five hundred forty-four thousand, seven hundred fifty-two".