18369042 has 16 divisors (see below), whose sum is σ = 38335680. Its totient is φ = 5856752.

The previous prime is 18369037. The next prime is 18369053. The reversal of 18369042 is 24096381.

It is a junction number, because it is equal to n+sod(n) for n = 18368994 and 18369012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66417 + ... + 66692.

It is an arithmetic number, because the mean of its divisors is an integer number (2395980).

Almost surely, 2^18369042 is an apocalyptic number.

18369042 is an abundant number, since it is smaller than the sum of its proper divisors (19966638).

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

18369042 is a wasteful number, since it uses less digits than its factorization.

18369042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133137.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 18369042 is about 4285.9120382948. The cubic root of 18369042 is about 263.8530805574.

It can be divided in two parts, 1836 and 9042, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 18369042 in words is "eighteen million, three hundred sixty-nine thousand, forty-two".