39996247392 has 60 divisors (see below), whose sum is σ = 117627860196. Its totient is φ = 13332081600.

The previous prime is 39996247387. The next prime is 39996247433. The reversal of 39996247392 is 29374269993.

39996247392 is a `hidden beast` number, since 399 + 96 + 2 + 4 + 73 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7712734 + ... + 7717917.

Almost surely, 2^39996247392 is an apocalyptic number.

39996247392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39996247392 is an abundant number, since it is smaller than the sum of its proper divisors (77631612804).

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

39996247392 is a wasteful number, since it uses less digits than its factorization.

39996247392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430673 (or 15430656 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 63.

The spelling of 39996247392 in words is "thirty-nine billion, nine hundred ninety-six million, two hundred forty-seven thousand, three hundred ninety-two".