42944725920 has 48 divisors (see below), whose sum is σ = 135275888160. Its totient is φ = 11451926784.

The previous prime is 42944725919. The next prime is 42944725969. The reversal of 42944725920 is 2952744924.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 42944725920.

It is an unprimeable number.

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, 44733610 + ... + 44734569.

It is an arithmetic number, because the mean of its divisors is an integer number (2818247670).

Almost surely, 2^42944725920 is an apocalyptic number.

42944725920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42944725920 is an abundant number, since it is smaller than the sum of its proper divisors (92331162240).

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

42944725920 is a wasteful number, since it uses less digits than its factorization.

42944725920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89468197 (or 89468189 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 42944725920 in words is "forty-two billion, nine hundred forty-four million, seven hundred twenty-five thousand, nine hundred twenty".