2318925438 has 48 divisors (see below), whose sum is σ = 5094048960. Its totient is φ = 762296832.

The previous prime is 2318925403. The next prime is 2318925491. The reversal of 2318925438 is 8345298132.

2318925438 is a `hidden beast` number, since 2 + 3 + 18 + 92 + 543 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2318925393 and 2318925402.

It is a congruent number.

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, 691995 + ... + 695337.

It is an arithmetic number, because the mean of its divisors is an integer number (106126020).

Almost surely, 2^2318925438 is an apocalyptic number.

2318925438 is an abundant number, since it is smaller than the sum of its proper divisors (2775123522).

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

2318925438 is a wasteful number, since it uses less digits than its factorization.

2318925438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873 (or 3870 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2318925438 is about 48155.2223336161. Note that the first 3 decimals coincide. The cubic root of 2318925438 is about 1323.6167718427.

The spelling of 2318925438 in words is "two billion, three hundred eighteen million, nine hundred twenty-five thousand, four hundred thirty-eight".