38840661850 has 24 divisors (see below), whose sum is σ = 72248902560. Its totient is φ = 15535131120.

The previous prime is 38840661817. The next prime is 38840661919. The reversal of 38840661850 is 5816604883.

38840661850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38840661794 and 38840661803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1143411 + ... + 1176889.

It is an arithmetic number, because the mean of its divisors is an integer number (3010370940).

Almost surely, 2^38840661850 is an apocalyptic number.

38840661850 is a deficient number, since it is larger than the sum of its proper divisors (33408240710).

38840661850 is a wasteful number, since it uses less digits than its factorization.

38840661850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56694 (or 56689 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 38840661850 in words is "thirty-eight billion, eight hundred forty million, six hundred sixty-one thousand, eight hundred fifty".