120797458640 has 20 divisors (see below), whose sum is σ = 280854091524. Its totient is φ = 48318983424.

The previous prime is 120797458631. The next prime is 120797458673. The reversal of 120797458640 is 46854797021.

It can be written as a sum of positive squares in 2 ways, for example, as 77671460416 + 43125998224 = 278696^2 + 207668^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754984037 + ... + 754984196.

Almost surely, 2^120797458640 is an apocalyptic number.

120797458640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120797458640 is an abundant number, since it is smaller than the sum of its proper divisors (160056632884).

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

120797458640 is a wasteful number, since it uses less digits than its factorization.

120797458640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509968246 (or 1509968240 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 120797458640 in words is "one hundred twenty billion, seven hundred ninety-seven million, four hundred fifty-eight thousand, six hundred forty".