120406277556 has 36 divisors (see below), whose sum is σ = 304446443392. Its totient is φ = 40124067984.

The previous prime is 120406277543. The next prime is 120406277573. The reversal of 120406277556 is 655772604021.

120406277556 is a `hidden beast` number, since 1 + 20 + 4 + 0 + 6 + 2 + 77 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343780 + ... + 599163.

Almost surely, 2^120406277556 is an apocalyptic number.

It is an amenable number.

120406277556 is an abundant number, since it is smaller than the sum of its proper divisors (184040165836).

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

120406277556 is a wasteful number, since it uses less digits than its factorization.

120406277556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946500 (or 946495 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 120406277556 in words is "one hundred twenty billion, four hundred six million, two hundred seventy-seven thousand, five hundred fifty-six".