42051838755584 has 36 divisors (see below), whose sum is σ = 95930757165264. Its totient is φ = 18022216608768.

The previous prime is 42051838755583. The next prime is 42051838755607. The reversal of 42051838755584 is 48555783815024.

It is a super-3 number, since 3×42051838755584³ (a number of 42 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42051838755584.

It is not an unprimeable number, because it can be changed into a prime (42051838755583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11733212147 + ... + 11733215730.

Almost surely, 2^{42051838755584} is an apocalyptic number.

It is an amenable number.

42051838755584 is an abundant number, since it is smaller than the sum of its proper divisors (53878918409680).

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

42051838755584 is an equidigital number, since it uses as much as digits as its factorization.

42051838755584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23466427900 (or 23466427886 counting only the distinct ones).

The product of its (nonzero) digits is 215040000, while the sum is 65.

The spelling of 42051838755584 in words is "forty-two trillion, fifty-one billion, eight hundred thirty-eight million, seven hundred fifty-five thousand, five hundred eighty-four".