40938938 has 8 divisors (see below), whose sum is σ = 61630932. Its totient is φ = 20395296.

The previous prime is 40938929. The next prime is 40938971. The reversal of 40938938 is 83983904.

It can be written as a sum of positive squares in 2 ways, for example, as 40742689 + 196249 = 6383^2 + 443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36395 + ... + 37502.

Almost surely, 2^40938938 is an apocalyptic number.

40938938 is a deficient number, since it is larger than the sum of its proper divisors (20691994).

40938938 is a wasteful number, since it uses less digits than its factorization.

40938938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74176.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 40938938 is about 6398.3543196669. The cubic root of 40938938 is about 344.6504560257.

It can be divided in two parts, 4093 and 8938, that added together give a palindrome (13031).

The spelling of 40938938 in words is "forty million, nine hundred thirty-eight thousand, nine hundred thirty-eight".