38772647424 has 120 divisors (see below), whose sum is σ = 127886375760. Its totient is φ = 11077890048.

The previous prime is 38772647411. The next prime is 38772647429. The reversal of 38772647424 is 42474627783.

38772647424 is a `hidden beast` number, since 3 + 87 + 72 + 6 + 474 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772647429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568759 + ... + 633270.

It is an arithmetic number, because the mean of its divisors is an integer number (1065719798).

Almost surely, 2^38772647424 is an apocalyptic number.

It is an amenable number.

38772647424 is an abundant number, since it is smaller than the sum of its proper divisors (89113728336).

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

38772647424 is a wasteful number, since it uses less digits than its factorization.

38772647424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202060 (or 1202041 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 38772647424 in words is "thirty-eight billion, seven hundred seventy-two million, six hundred forty-seven thousand, four hundred twenty-four".