2375830638 has 48 divisors (see below), whose sum is σ = 5340905856. Its totient is φ = 762471360.

The previous prime is 2375830637. The next prime is 2375830679. The reversal of 2375830638 is 8360385732.

2375830638 is a `hidden beast` number, since 2 + 3 + 7 + 5 + 8 + 3 + 0 + 638 = 666.

2375830638 is digitally balanced in base 2 and base 4, because in such bases 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 = 2375830593 and 2375830602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2375830637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99120 + ... + 120732.

It is an arithmetic number, because the mean of its divisors is an integer number (111268872).

Almost surely, 2^2375830638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2375830638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2670452928).

2375830638 is an abundant number, since it is smaller than the sum of its proper divisors (2965075218).

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

2375830638 is a wasteful number, since it uses less digits than its factorization.

2375830638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21849 (or 21846 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 2375830638 is about 48742.4931450988. The cubic root of 2375830638 is about 1334.3563483933.

The spelling of 2375830638 in words is "two billion, three hundred seventy-five million, eight hundred thirty thousand, six hundred thirty-eight".