37861390368 has 144 divisors (see below), whose sum is σ = 110569245696. Its totient is φ = 12284213760.

The previous prime is 37861390331. The next prime is 37861390373. The reversal of 37861390368 is 86309316873.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928763 + ... + 1948293.

It is an arithmetic number, because the mean of its divisors is an integer number (767841984).

Almost surely, 2^37861390368 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 37861390368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55284622848).

37861390368 is an abundant number, since it is smaller than the sum of its proper divisors (72707855328).

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

37861390368 is a wasteful number, since it uses less digits than its factorization.

37861390368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19727 (or 19716 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 37861390368 in words is "thirty-seven billion, eight hundred sixty-one million, three hundred ninety thousand, three hundred sixty-eight".