42590038 has 16 divisors (see below), whose sum is σ = 67628880. Its totient is φ = 20081376.

The previous prime is 42590033. The next prime is 42590047. The reversal of 42590038 is 83009524.

It is a super-2 number, since 2×42590038² = 3627822673682888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42589991 and 42590009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42590033) 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, 6045 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (4226805).

Almost surely, 2^42590038 is an apocalyptic number.

42590038 is a deficient number, since it is larger than the sum of its proper divisors (25038842).

42590038 is a wasteful number, since it uses less digits than its factorization.

42590038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17151.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 42590038 is about 6526.1043509892. The cubic root of 42590038 is about 349.2228689525. Note that the first 3 decimals are identical.

The spelling of 42590038 in words is "forty-two million, five hundred ninety thousand, thirty-eight".