40994904 has 32 divisors (see below), whose sum is σ = 104670720. Its totient is φ = 13373856.

The previous prime is 40994887. The next prime is 40994909. The reversal of 40994904 is 40949904.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40994909) 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, 17044 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (3270960).

Almost surely, 2^40994904 is an apocalyptic number.

It is an amenable number.

40994904 is an abundant number, since it is smaller than the sum of its proper divisors (63675816).

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

40994904 is a wasteful number, since it uses less digits than its factorization.

40994904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36399 (or 36395 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 40994904 is about 6402.7262943218. The cubic root of 40994904 is about 344.8074371739.

The spelling of 40994904 in words is "forty million, nine hundred ninety-four thousand, nine hundred four".