42468817944 has 32 divisors (see below), whose sum is σ = 121339480320. Its totient is φ = 12133947936.

The previous prime is 42468817943. The next prime is 42468817957. The reversal of 42468817944 is 44971886424.

42468817944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42468817943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126395124 + ... + 126395459.

It is an arithmetic number, because the mean of its divisors is an integer number (3791858760).

Almost surely, 2^42468817944 is an apocalyptic number.

It is an amenable number.

42468817944 is an abundant number, since it is smaller than the sum of its proper divisors (78870662376).

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

42468817944 is a wasteful number, since it uses less digits than its factorization.

42468817944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252790599 (or 252790595 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 42468817944 in words is "forty-two billion, four hundred sixty-eight million, eight hundred seventeen thousand, nine hundred forty-four".