42944367261756 has 12 divisors (see below), whose sum is σ = 100203523610792. Its totient is φ = 14314789087248.

The previous prime is 42944367261721. The next prime is 42944367261773. The reversal of 42944367261756 is 65716276344924.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1789348635895 + ... + 1789348635918.

Almost surely, 2^{42944367261756} is an apocalyptic number.

It is an amenable number.

42944367261756 is an abundant number, since it is smaller than the sum of its proper divisors (57259156349036).

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

42944367261756 is a wasteful number, since it uses less digits than its factorization.

42944367261756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578697271820 (or 3578697271818 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 66.

The spelling of 42944367261756 in words is "forty-two trillion, nine hundred forty-four billion, three hundred sixty-seven million, two hundred sixty-one thousand, seven hundred fifty-six".