42018468879 has 16 divisors (see below), whose sum is σ = 57027422592. Its totient is φ = 27514816608.

The previous prime is 42018468853. The next prime is 42018468881. The reversal of 42018468879 is 97886481024.

It is a de Polignac number, because none of the positive numbers 2^k-42018468879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42018468809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444637 + ... + 530790.

It is an arithmetic number, because the mean of its divisors is an integer number (3564213912).

Almost surely, 2^42018468879 is an apocalyptic number.

42018468879 is a deficient number, since it is larger than the sum of its proper divisors (15008953713).

42018468879 is a wasteful number, since it uses less digits than its factorization.

42018468879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975686.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 42018468879 in words is "forty-two billion, eighteen million, four hundred sixty-eight thousand, eight hundred seventy-nine".