42039862 has 16 divisors (see below), whose sum is σ = 64415520. Its totient is φ = 20572992.

The previous prime is 42039857. The next prime is 42039863. The reversal of 42039862 is 26893024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42039863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17188 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (4025970).

Almost surely, 2^42039862 is an apocalyptic number.

42039862 is a deficient number, since it is larger than the sum of its proper divisors (22375658).

42039862 is a wasteful number, since it uses less digits than its factorization.

42039862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 42039862 is about 6483.8153891054. The cubic root of 42039862 is about 347.7125990611.

The spelling of 42039862 in words is "forty-two million, thirty-nine thousand, eight hundred sixty-two".