38042178372 has 72 divisors (see below), whose sum is σ = 105120130752. Its totient is φ = 11504203200.

The previous prime is 38042178301. The next prime is 38042178373. The reversal of 38042178372 is 27387124083.

38042178372 is a `hidden beast` number, since 3 + 80 + 421 + 7 + 83 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (38042178373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94222 + ... + 291482.

It is an arithmetic number, because the mean of its divisors is an integer number (1460001816).

Almost surely, 2^38042178372 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 38042178372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52560065376).

38042178372 is an abundant number, since it is smaller than the sum of its proper divisors (67077952380).

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

38042178372 is a wasteful number, since it uses less digits than its factorization.

38042178372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197769 (or 197764 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 38042178372 in words is "thirty-eight billion, forty-two million, one hundred seventy-eight thousand, three hundred seventy-two".