39402047024 has 20 divisors (see below), whose sum is σ = 80832141144. Its totient is φ = 18542139648.

The previous prime is 39402047021. The next prime is 39402047051. The reversal of 39402047024 is 42074020493.

It is not an unprimeable number, because it can be changed into a prime (39402047021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72429962 + ... + 72430505.

Almost surely, 2^39402047024 is an apocalyptic number.

39402047024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39402047024 is an abundant number, since it is smaller than the sum of its proper divisors (41430094120).

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

39402047024 is a wasteful number, since it uses less digits than its factorization.

39402047024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144860492 (or 144860486 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 39402047024 in words is "thirty-nine billion, four hundred two million, forty-seven thousand, twenty-four".