40576938 has 16 divisors (see below), whose sum is σ = 83347680. Its totient is φ = 13160016.

The previous prime is 40576937. The next prime is 40576961. The reversal of 40576938 is 83967504.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40576938.

It is not an unprimeable number, because it can be changed into a prime (40576937) 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, 91168 + ... + 91611.

It is an arithmetic number, because the mean of its divisors is an integer number (5209230).

Almost surely, 2^40576938 is an apocalyptic number.

40576938 is an abundant number, since it is smaller than the sum of its proper divisors (42770742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40576938 is a wasteful number, since it uses less digits than its factorization.

40576938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182821.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40576938 is about 6370.0029827309. The cubic root of 40576938 is about 343.6315969955.

It can be divided in two parts, 40576 and 938, that added together give a palindrome (41514).

The spelling of 40576938 in words is "forty million, five hundred seventy-six thousand, nine hundred thirty-eight".