39303929872 has 30 divisors (see below), whose sum is σ = 80370288078. Its totient is φ = 18617648256.

The previous prime is 39303929851. The next prime is 39303929887. The reversal of 39303929872 is 27892930393.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38328242176 + 975687696 = 195776^2 + 31236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3396573 + ... + 3408124.

Almost surely, 2^39303929872 is an apocalyptic number.

It is an amenable number.

39303929872 is an abundant number, since it is smaller than the sum of its proper divisors (41066358206).

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

39303929872 is a wasteful number, since it uses less digits than its factorization.

39303929872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804743 (or 6804718 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 39303929872 in words is "thirty-nine billion, three hundred three million, nine hundred twenty-nine thousand, eight hundred seventy-two".