39990412799 has 8 divisors (see below), whose sum is σ = 40207503360. Its totient is φ = 39773403000.

The previous prime is 39990412771. The next prime is 39990412841. The reversal of 39990412799 is 99721409993.

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 39990412799 - 2¹⁶ = 39990347263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39990412699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157822 + ... + 1191860.

It is an arithmetic number, because the mean of its divisors is an integer number (5025937920).

Almost surely, 2^39990412799 is an apocalyptic number.

39990412799 is a deficient number, since it is larger than the sum of its proper divisors (217090561).

39990412799 is a wasteful number, since it uses less digits than its factorization.

39990412799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40381.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The spelling of 39990412799 in words is "thirty-nine billion, nine hundred ninety million, four hundred twelve thousand, seven hundred ninety-nine".