2790860633556 has 24 divisors (see below), whose sum is σ = 6512046374400. Its totient is φ = 930281416512.

The previous prime is 2790860633441. The next prime is 2790860633557. The reversal of 2790860633556 is 6553360680972.

It is a self number, because there is not a number n which added to its sum of digits gives 2790860633556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790860633557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1810920 + ... + 2976768.

It is an arithmetic number, because the mean of its divisors is an integer number (271335265600).

Almost surely, 2^{2790860633556} is an apocalyptic number.

It is an amenable number.

2790860633556 is an abundant number, since it is smaller than the sum of its proper divisors (3721185740844).

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

2790860633556 is a wasteful number, since it uses less digits than its factorization.

2790860633556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365343 (or 1365341 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 2790860633556 in words is "two trillion, seven hundred ninety billion, eight hundred sixty million, six hundred thirty-three thousand, five hundred fifty-six".