39794464842 has 64 divisors (see below), whose sum is σ = 91473546240. Its totient is φ = 11414304000.

The previous prime is 39794464819. The next prime is 39794464907. The reversal of 39794464842 is 24846449793.

39794464842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39794464842² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492843 + ... + 1519265.

It is an arithmetic number, because the mean of its divisors is an integer number (1429274160).

Almost surely, 2^39794464842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39794464842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45736773120).

39794464842 is an abundant number, since it is smaller than the sum of its proper divisors (51679081398).

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

39794464842 is a wasteful number, since it uses less digits than its factorization.

39794464842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27659.

The product of its digits is 41803776, while the sum is 60.

The spelling of 39794464842 in words is "thirty-nine billion, seven hundred ninety-four million, four hundred sixty-four thousand, eight hundred forty-two".