42018294 has 32 divisors (see below), whose sum is σ = 86145120. Its totient is φ = 13658112.

The previous prime is 42018257. The next prime is 42018371. The reversal of 42018294 is 49281024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72534 + ... + 73110.

It is an arithmetic number, because the mean of its divisors is an integer number (2692035).

Almost surely, 2^42018294 is an apocalyptic number.

42018294 is an abundant number, since it is smaller than the sum of its proper divisors (44126826).

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

42018294 is a wasteful number, since it uses less digits than its factorization.

42018294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 42018294 is about 6482.1519574907. The cubic root of 42018294 is about 347.6531257592.

The spelling of 42018294 in words is "forty-two million, eighteen thousand, two hundred ninety-four".