38746570744728 has 96 divisors (see below), whose sum is σ = 130832576559360. Its totient is φ = 10064044347840.

The previous prime is 38746570744723. The next prime is 38746570744771. The reversal of 38746570744728 is 82744707564783.

It is a happy number.

38746570744728 is a `hidden beast` number, since 3 + 8 + 7 + 4 + 6 + 570 + 7 + 4 + 47 + 2 + 8 = 666.

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 (38746570744723) 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, 3494454300 + ... + 3494465387.

It is an arithmetic number, because the mean of its divisors is an integer number (1362839339160).

Almost surely, 2^{38746570744728} is an apocalyptic number.

It is an amenable number.

38746570744728 is an abundant number, since it is smaller than the sum of its proper divisors (92086005814632).

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

38746570744728 is a wasteful number, since it uses less digits than its factorization.

38746570744728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988919717 (or 6988919710 counting only the distinct ones).

The product of its (nonzero) digits is 1770209280, while the sum is 72.

The spelling of 38746570744728 in words is "thirty-eight trillion, seven hundred forty-six billion, five hundred seventy million, seven hundred forty-four thousand, seven hundred twenty-eight".