42042465636 has 24 divisors (see below), whose sum is σ = 99070367424. Its totient is φ = 13875400800.

The previous prime is 42042465589. The next prime is 42042465643. The reversal of 42042465636 is 63656424024.

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, 17343040 + ... + 17345463.

It is an arithmetic number, because the mean of its divisors is an integer number (4127931976).

Almost surely, 2^42042465636 is an apocalyptic number.

It is an amenable number.

42042465636 is an abundant number, since it is smaller than the sum of its proper divisors (57027901788).

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

42042465636 is a wasteful number, since it uses less digits than its factorization.

42042465636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34688611 (or 34688609 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 42042465636 in words is "forty-two billion, forty-two million, four hundred sixty-five thousand, six hundred thirty-six".