40993594 has 8 divisors (see below), whose sum is σ = 63474048. Its totient is φ = 19835580.

The previous prime is 40993573. The next prime is 40993597. The reversal of 40993594 is 49539904.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40993594.

It is not an unprimeable number, because it can be changed into a prime (40993597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330532 + ... + 330655.

It is an arithmetic number, because the mean of its divisors is an integer number (7934256).

Almost surely, 2^40993594 is an apocalyptic number.

40993594 is a deficient number, since it is larger than the sum of its proper divisors (22480454).

40993594 is a wasteful number, since it uses less digits than its factorization.

40993594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661220.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 40993594 is about 6402.6239933327. The cubic root of 40993594 is about 344.8037643389.

The spelling of 40993594 in words is "forty million, nine hundred ninety-three thousand, five hundred ninety-four".