39927989376 has 192 divisors, whose sum is σ = 128731262400. Its totient is φ = 11772241920.

The previous prime is 39927989323. The next prime is 39927989393. The reversal of 39927989376 is 67398972993.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426285 + ... + 511443.

It is an arithmetic number, because the mean of its divisors is an integer number (670475325).

Almost surely, 2^39927989376 is an apocalyptic number.

39927989376 is a gapful number since it is divisible by the number (36) 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 39927989376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64365631200).

39927989376 is an abundant number, since it is smaller than the sum of its proper divisors (88803273024).

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

39927989376 is a wasteful number, since it uses less digits than its factorization.

39927989376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85227 (or 85212 counting only the distinct ones).

The product of its digits is 277766496, while the sum is 72.

The spelling of 39927989376 in words is "thirty-nine billion, nine hundred twenty-seven million, nine hundred eighty-nine thousand, three hundred seventy-six".