38790842868 has 96 divisors (see below), whose sum is σ = 102806860800. Its totient is φ = 12645328608.

The previous prime is 38790842861. The next prime is 38790842873. The reversal of 38790842868 is 86824809783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38790842861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 986521 + ... + 1025087.

It is an arithmetic number, because the mean of its divisors is an integer number (1070904800).

Almost surely, 2^38790842868 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 38790842868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51403430400).

38790842868 is an abundant number, since it is smaller than the sum of its proper divisors (64016017932).

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

38790842868 is a wasteful number, since it uses less digits than its factorization.

38790842868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786 (or 38778 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 38790842868 in words is "thirty-eight billion, seven hundred ninety million, eight hundred forty-two thousand, eight hundred sixty-eight".