42388745520 has 160 divisors (see below), whose sum is σ = 148294437120. Its totient is φ = 9921694720.

The previous prime is 42388745513. The next prime is 42388745537. The reversal of 42388745520 is 2554788324.

42388745520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42388745520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200274 + ... + 353393.

It is an arithmetic number, because the mean of its divisors is an integer number (926840232).

Almost surely, 2^42388745520 is an apocalyptic number.

42388745520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42388745520 is an abundant number, since it is smaller than the sum of its proper divisors (105905691600).

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

42388745520 is a wasteful number, since it uses less digits than its factorization.

42388745520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553723 (or 553717 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 42388745520 in words is "forty-two billion, three hundred eighty-eight million, seven hundred forty-five thousand, five hundred twenty".