40994658 has 12 divisors (see below), whose sum is σ = 88821798. Its totient is φ = 13664880.

The previous prime is 40994641. The next prime is 40994677. The reversal of 40994658 is 85649904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21040569 + 19954089 = 4587^2 + 4467^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1138723 + ... + 1138758.

Almost surely, 2^40994658 is an apocalyptic number.

40994658 is an abundant number, since it is smaller than the sum of its proper divisors (47827140).

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

40994658 is a wasteful number, since it uses less digits than its factorization.

40994658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277489 (or 2277486 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 40994658 is about 6402.7070837264. The cubic root of 40994658 is about 344.8067474720.

The spelling of 40994658 in words is "forty million, nine hundred ninety-four thousand, six hundred fifty-eight".