42320038 has 16 divisors (see below), whose sum is σ = 67359600. Its totient is φ = 19872256.

The previous prime is 42320029. The next prime is 42320093. The reversal of 42320038 is 83002324.

It is a congruent number.

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, 19113 + ... + 21211.

It is an arithmetic number, because the mean of its divisors is an integer number (4209975).

Almost surely, 2^42320038 is an apocalyptic number.

42320038 is a deficient number, since it is larger than the sum of its proper divisors (25039562).

42320038 is a wasteful number, since it uses less digits than its factorization.

42320038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42320038 is about 6505.3853075740. The cubic root of 42320038 is about 348.4833366191.

The spelling of 42320038 in words is "forty-two million, three hundred twenty thousand, thirty-eight".