40993899 has 8 divisors (see below), whose sum is σ = 54861312. Its totient is φ = 27227880.

The previous prime is 40993879. The next prime is 40993903. The reversal of 40993899 is 99839904.

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

It is not a de Polignac number, because 40993899 - 2⁸ = 40993643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40993879) 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, 24399 + ... + 26024.

It is an arithmetic number, because the mean of its divisors is an integer number (6857664).

Almost surely, 2^40993899 is an apocalyptic number.

40993899 is a deficient number, since it is larger than the sum of its proper divisors (13867413).

40993899 is a wasteful number, since it uses less digits than its factorization.

40993899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50697.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 40993899 is about 6402.6478116479. The cubic root of 40993899 is about 344.8046194716.

The spelling of 40993899 in words is "forty million, nine hundred ninety-three thousand, eight hundred ninety-nine".