42392042 has 32 divisors (see below), whose sum is σ = 79847424. Its totient is φ = 16398000.

The previous prime is 42392027. The next prime is 42392069. The reversal of 42392042 is 24029324.

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, 22343 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (2495232).

Almost surely, 2^42392042 is an apocalyptic number.

42392042 is a deficient number, since it is larger than the sum of its proper divisors (37455382).

42392042 is a wasteful number, since it uses less digits than its factorization.

42392042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42392042 is about 6510.9171396970. The cubic root of 42392042 is about 348.6808630395.

The spelling of 42392042 in words is "forty-two million, three hundred ninety-two thousand, forty-two".