38424472612720 has 80 divisors (see below), whose sum is σ = 89381843213760. Its totient is φ = 15362058719232.

The previous prime is 38424472612703. The next prime is 38424472612723. The reversal of 38424472612720 is 2721627442483.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38424472612723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757500509 + ... + 1757522371.

It is an arithmetic number, because the mean of its divisors is an integer number (1117273040172).

Almost surely, 2^{38424472612720} is an apocalyptic number.

It is an amenable number.

38424472612720 is an abundant number, since it is smaller than the sum of its proper divisors (50957370601040).

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

38424472612720 is a wasteful number, since it uses less digits than its factorization.

38424472612720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31922 (or 31916 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 38424472612720 in words is "thirty-eight trillion, four hundred twenty-four billion, four hundred seventy-two million, six hundred twelve thousand, seven hundred twenty".