39446502912 has 240 divisors, whose sum is σ = 121337948160. Its totient is φ = 12307992576.

The previous prime is 39446502911. The next prime is 39446502917. The reversal of 39446502912 is 21920564493.

39446502912 is a `hidden beast` number, since 3 + 94 + 46 + 502 + 9 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39446502911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4977289 + ... + 4985207.

It is an arithmetic number, because the mean of its divisors is an integer number (505574784).

Almost surely, 2^39446502912 is an apocalyptic number.

39446502912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39446502912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60668974080).

39446502912 is an abundant number, since it is smaller than the sum of its proper divisors (81891445248).

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

39446502912 is a wasteful number, since it uses less digits than its factorization.

39446502912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8013 (or 7994 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 39446502912 in words is "thirty-nine billion, four hundred forty-six million, five hundred two thousand, nine hundred twelve".