42091759020 has 48 divisors (see below), whose sum is σ = 119071961568. Its totient is φ = 11108751360.

The previous prime is 42091759013. The next prime is 42091759037. The reversal of 42091759020 is 2095719024.

It is a self number, because there is not a number n which added to its sum of digits gives 42091759020.

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 15 ways as a sum of consecutive naturals, for example, 3610311 + ... + 3621950.

It is an arithmetic number, because the mean of its divisors is an integer number (2480665866).

Almost surely, 2^42091759020 is an apocalyptic number.

It is an amenable number.

42091759020 is an abundant number, since it is smaller than the sum of its proper divisors (76980202548).

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

42091759020 is a wasteful number, since it uses less digits than its factorization.

42091759020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232370 (or 7232368 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 42091759020 in words is "forty-two billion, ninety-one million, seven hundred fifty-nine thousand, twenty".