120040279380 has 144 divisors (see below), whose sum is σ = 424632499200. Its totient is φ = 27437764032.

The previous prime is 120040279369. The next prime is 120040279393. The reversal of 120040279380 is 83972040021.

120040279380 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 4 + 0 + 279 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 910404 + ... + 1033883.

It is an arithmetic number, because the mean of its divisors is an integer number (2948836800).

Almost surely, 2^120040279380 is an apocalyptic number.

120040279380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120040279380 is an abundant number, since it is smaller than the sum of its proper divisors (304592219820).

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

120040279380 is a wasteful number, since it uses less digits than its factorization.

120040279380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944323 (or 1944304 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 120040279380 in words is "one hundred twenty billion, forty million, two hundred seventy-nine thousand, three hundred eighty".