2318650438 has 8 divisors (see below), whose sum is σ = 3745512288. Its totient is φ = 1070146344.

The previous prime is 2318650393. The next prime is 2318650457. The reversal of 2318650438 is 8340568132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2318650438² = 10752279707275183688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2318650438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44589406 + ... + 44589457.

It is an arithmetic number, because the mean of its divisors is an integer number (468189036).

Almost surely, 2^2318650438 is an apocalyptic number.

2318650438 is a deficient number, since it is larger than the sum of its proper divisors (1426861850).

2318650438 is a wasteful number, since it uses less digits than its factorization.

2318650438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89178878.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2318650438 is about 48152.3668992501. The cubic root of 2318650438 is about 1323.5644474635.

The spelling of 2318650438 in words is "two billion, three hundred eighteen million, six hundred fifty thousand, four hundred thirty-eight".