39474239976 has 96 divisors (see below), whose sum is σ = 111334204800. Its totient is φ = 13102871040.

The previous prime is 39474239953. The next prime is 39474239977. The reversal of 39474239976 is 67993247493.

39474239976 is a `hidden beast` number, since 3 + 9 + 474 + 2 + 3 + 99 + 76 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39474239977) 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, 422136 + ... + 507096.

It is an arithmetic number, because the mean of its divisors is an integer number (1159731300).

Almost surely, 2^39474239976 is an apocalyptic number.

39474239976 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 39474239976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55667102400).

39474239976 is an abundant number, since it is smaller than the sum of its proper divisors (71859964824).

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

39474239976 is a wasteful number, since it uses less digits than its factorization.

39474239976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85221 (or 85205 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 63.

The spelling of 39474239976 in words is "thirty-nine billion, four hundred seventy-four million, two hundred thirty-nine thousand, nine hundred seventy-six".