42500756664 has 24 divisors (see below), whose sum is σ = 115106216160. Its totient is φ = 14166918864.

The previous prime is 42500756633. The next prime is 42500756699. The reversal of 42500756664 is 46665700524.

42500756664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295144072 + ... + 295144215.

It is an arithmetic number, because the mean of its divisors is an integer number (4796092340).

Almost surely, 2^42500756664 is an apocalyptic number.

It is an amenable number.

42500756664 is an abundant number, since it is smaller than the sum of its proper divisors (72605459496).

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

42500756664 is a wasteful number, since it uses less digits than its factorization.

42500756664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590288299 (or 590288292 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

It can be divided in two parts, 425007 and 56664, that added together give a triangular number (481671 = T₉₈₁).

The spelling of 42500756664 in words is "forty-two billion, five hundred million, seven hundred fifty-six thousand, six hundred sixty-four".