38610187272 has 128 divisors (see below), whose sum is σ = 114528384000. Its totient is φ = 12025359360.

The previous prime is 38610187267. The next prime is 38610187283. The reversal of 38610187272 is 27278101683.

38610187272 is a `hidden beast` number, since 3 + 8 + 610 + 1 + 8 + 7 + 27 + 2 = 666.

It is a super-2 number, since 2×38610187272² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94768 + ... + 293600.

It is an arithmetic number, because the mean of its divisors is an integer number (894753000).

Almost surely, 2^38610187272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38610187272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57264192000).

38610187272 is an abundant number, since it is smaller than the sum of its proper divisors (75918196728).

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

38610187272 is a wasteful number, since it uses less digits than its factorization.

38610187272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198908 (or 198898 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 38610187272 in words is "thirty-eight billion, six hundred ten million, one hundred eighty-seven thousand, two hundred seventy-two".