39874894848 has 132 divisors (see below), whose sum is σ = 117816689848. Its totient is φ = 12982394880.

The previous prime is 39874894847. The next prime is 39874894849. The reversal of 39874894848 is 84849847893.

39874894848 is a `hidden beast` number, since 398 + 74 + 8 + 94 + 84 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (39874894847) and next prime (39874894849).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39874894841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345978 + ... + 446598.

Almost surely, 2^39874894848 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 39874894848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58908344924).

39874894848 is an abundant number, since it is smaller than the sum of its proper divisors (77941795000).

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

39874894848 is a wasteful number, since it uses less digits than its factorization.

39874894848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100690 (or 100669 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 72.

The spelling of 39874894848 in words is "thirty-nine billion, eight hundred seventy-four million, eight hundred ninety-four thousand, eight hundred forty-eight".