40293799 has 8 divisors (see below), whose sum is σ = 49592480. Its totient is φ = 31880736.

The previous prime is 40293697. The next prime is 40293809. The reversal of 40293799 is 99739204.

40293799 = 1690² + 1691² + ... + 1703².

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

It is a cyclic number.

It is not a de Polignac number, because 40293799 - 2⁹ = 40293287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294799) 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, 221304 + ... + 221485.

It is an arithmetic number, because the mean of its divisors is an integer number (6199060).

Almost surely, 2^40293799 is an apocalyptic number.

40293799 is a deficient number, since it is larger than the sum of its proper divisors (9298681).

40293799 is a wasteful number, since it uses less digits than its factorization.

40293799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442809.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 40293799 is about 6347.7396764518. The cubic root of 40293799 is about 342.8304630116.

The spelling of 40293799 in words is "forty million, two hundred ninety-three thousand, seven hundred ninety-nine".