42618558 has 32 divisors (see below), whose sum is σ = 95005440. Its totient is φ = 12666240.

The previous prime is 42618553. The next prime is 42618571. The reversal of 42618558 is 85581624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42618551) 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, 9058 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (2968920).

Almost surely, 2^42618558 is an apocalyptic number.

42618558 is an abundant number, since it is smaller than the sum of its proper divisors (52386882).

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

42618558 is a wasteful number, since it uses less digits than its factorization.

42618558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22032.

The product of its digits is 76800, while the sum is 39.

The square root of 42618558 is about 6528.2890561004. The cubic root of 42618558 is about 349.3008027789.

The spelling of 42618558 in words is "forty-two million, six hundred eighteen thousand, five hundred fifty-eight".