42931444560 has 160 divisors (see below), whose sum is σ = 139337331840. Its totient is φ = 10920290304.

The previous prime is 42931444429. The next prime is 42931444561. The reversal of 42931444560 is 6544413924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42931444561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540522 + ... + 614838.

It is an arithmetic number, because the mean of its divisors is an integer number (870858324).

Almost surely, 2^42931444560 is an apocalyptic number.

42931444560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42931444560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69668665920).

42931444560 is an abundant number, since it is smaller than the sum of its proper divisors (96405887280).

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

42931444560 is a wasteful number, since it uses less digits than its factorization.

42931444560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445 (or 74439 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 42931444560 in words is "forty-two billion, nine hundred thirty-one million, four hundred forty-four thousand, five hundred sixty".