39986414384 has 20 divisors (see below), whose sum is σ = 88541346384. Its totient is φ = 17137034688.

The previous prime is 39986414267. The next prime is 39986414387. The reversal of 39986414384 is 48341468993.

It is not an unprimeable number, because it can be changed into a prime (39986414387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178510667 + ... + 178510890.

Almost surely, 2^39986414384 is an apocalyptic number.

It is an amenable number.

39986414384 is an abundant number, since it is smaller than the sum of its proper divisors (48554932000).

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

39986414384 is a wasteful number, since it uses less digits than its factorization.

39986414384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357021572 (or 357021566 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 59.

The spelling of 39986414384 in words is "thirty-nine billion, nine hundred eighty-six million, four hundred fourteen thousand, three hundred eighty-four".