38844385272 has 160 divisors (see below), whose sum is σ = 135647233920. Its totient is φ = 10089437760.

The previous prime is 38844385247. The next prime is 38844385273. The reversal of 38844385272 is 27258344883.

38844385272 is a `hidden beast` number, since 3 + 8 + 84 + 4 + 38 + 527 + 2 = 666.

38844385272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38844385273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 339358 + ... + 439149.

It is an arithmetic number, because the mean of its divisors is an integer number (847795212).

Almost surely, 2^38844385272 is an apocalyptic number.

It is an amenable number.

38844385272 is an abundant number, since it is smaller than the sum of its proper divisors (96802848648).

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

38844385272 is a wasteful number, since it uses less digits than its factorization.

38844385272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778543 (or 778530 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 38844385272 in words is "thirty-eight billion, eight hundred forty-four million, three hundred eighty-five thousand, two hundred seventy-two".