40818934 has 16 divisors (see below), whose sum is σ = 66058272. Its totient is φ = 18805248.

The previous prime is 40818931. The next prime is 40818959. The reversal of 40818934 is 43981804.

It is a junction number, because it is equal to n+sod(n) for n = 40818893 and 40818902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40818931) 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, 18262 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (4128642).

Almost surely, 2^40818934 is an apocalyptic number.

40818934 is a deficient number, since it is larger than the sum of its proper divisors (25239338).

40818934 is a wasteful number, since it uses less digits than its factorization.

40818934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 40818934 is about 6388.9697134984. The cubic root of 40818934 is about 344.3133693507.

The spelling of 40818934 in words is "forty million, eight hundred eighteen thousand, nine hundred thirty-four".