39990452708 has 6 divisors (see below), whose sum is σ = 69983292246. Its totient is φ = 19995226352.

The previous prime is 39990452701. The next prime is 39990452713. The reversal of 39990452708 is 80725409993.

It can be written as a sum of positive squares in only one way, i.e., 31754527204 + 8235925504 = 178198^2 + 90752^2 .

It is not an unprimeable number, because it can be changed into a prime (39990452701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998806585 + ... + 4998806592.

It is an arithmetic number, because the mean of its divisors is an integer number (11663882041).

Almost surely, 2^39990452708 is an apocalyptic number.

It is an amenable number.

39990452708 is a deficient number, since it is larger than the sum of its proper divisors (29992839538).

39990452708 is a wasteful number, since it uses less digits than its factorization.

39990452708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997613181 (or 9997613179 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 39990452708 in words is "thirty-nine billion, nine hundred ninety million, four hundred fifty-two thousand, seven hundred eight".