3640120084556 has 24 divisors (see below), whose sum is σ = 6420422352960. Its totient is φ = 1805769849600.

The previous prime is 3640120084529. The next prime is 3640120084561. The reversal of 3640120084556 is 6554800210463.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6759380 + ... + 7278011.

It is an arithmetic number, because the mean of its divisors is an integer number (267517598040).

Almost surely, 2^{3640120084556} is an apocalyptic number.

It is an amenable number.

3640120084556 is a deficient number, since it is larger than the sum of its proper divisors (2780302268404).

3640120084556 is a wasteful number, since it uses less digits than its factorization.

3640120084556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037905 (or 14037903 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 3640120084556 in words is "three trillion, six hundred forty billion, one hundred twenty million, eighty-four thousand, five hundred fifty-six".