42839165920 has 48 divisors (see below), whose sum is σ = 101240722800. Its totient is φ = 17130046464.

The previous prime is 42839165911. The next prime is 42839165923. The reversal of 42839165920 is 2956193824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42839165923) 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, 463756 + ... + 548404.

It is an arithmetic number, because the mean of its divisors is an integer number (2109181725).

Almost surely, 2^42839165920 is an apocalyptic number.

42839165920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42839165920 is an abundant number, since it is smaller than the sum of its proper divisors (58401556880).

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

42839165920 is a wasteful number, since it uses less digits than its factorization.

42839165920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87827 (or 87819 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 42839165920 in words is "forty-two billion, eight hundred thirty-nine million, one hundred sixty-five thousand, nine hundred twenty".