2378315790 has 32 divisors (see below), whose sum is σ = 6342176160. Its totient is φ = 634217472.

The previous prime is 2378315773. The next prime is 2378315791. The reversal of 2378315790 is 975138732.

It is a happy number.

2378315790 is a `hidden beast` number, since 2 + 3 + 78 + 3 + 1 + 579 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378315791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404019 + ... + 4404558.

It is an arithmetic number, because the mean of its divisors is an integer number (198193005).

Almost surely, 2^2378315790 is an apocalyptic number.

2378315790 is an abundant number, since it is smaller than the sum of its proper divisors (3963860370).

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

2378315790 is a wasteful number, since it uses less digits than its factorization.

2378315790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808593 (or 8808587 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2378315790 is about 48767.9791461570. The cubic root of 2378315790 is about 1334.8214380543.

The spelling of 2378315790 in words is "two billion, three hundred seventy-eight million, three hundred fifteen thousand, seven hundred ninety".