39549949712 has 80 divisors (see below), whose sum is σ = 94648025472. Its totient is φ = 15590292480.

The previous prime is 39549949711. The next prime is 39549949723. The reversal of 39549949712 is 21794994593.

It is not an unprimeable number, because it can be changed into a prime (39549949711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360803 + ... + 457469.

Almost surely, 2^39549949712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39549949712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47324012736).

39549949712 is an abundant number, since it is smaller than the sum of its proper divisors (55098075760).

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

39549949712 is a wasteful number, since it uses less digits than its factorization.

39549949712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96976 (or 96970 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 62.

The spelling of 39549949712 in words is "thirty-nine billion, five hundred forty-nine million, nine hundred forty-nine thousand, seven hundred twelve".