42018815598 has 32 divisors (see below), whose sum is σ = 88542844416. Its totient is φ = 13267228128.

The previous prime is 42018815581. The next prime is 42018815603. The reversal of 42018815598 is 89551881024.

It is a self number, because there is not a number n which added to its sum of digits gives 42018815598.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463865 + ... + 1492292.

It is an arithmetic number, because the mean of its divisors is an integer number (2766963888).

Almost surely, 2^42018815598 is an apocalyptic number.

42018815598 is an abundant number, since it is smaller than the sum of its proper divisors (46524028818).

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

42018815598 is a wasteful number, since it uses less digits than its factorization.

42018815598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956288.

The product of its (nonzero) digits is 921600, while the sum is 51.

The spelling of 42018815598 in words is "forty-two billion, eighteen million, eight hundred fifteen thousand, five hundred ninety-eight".