2318740992 has 120 divisors (see below), whose sum is σ = 6940269336. Its totient is φ = 772872192.

The previous prime is 2318740961. The next prime is 2318740999. The reversal of 2318740992 is 2990478132.

2318740992 is a `hidden beast` number, since 231 + 8 + 7 + 409 + 9 + 2 = 666.

It is a super-2 number, since 2×2318740992² = 10753119575962288128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318740999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115098 + ... + 133734.

Almost surely, 2^2318740992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2318740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470134668).

2318740992 is an abundant number, since it is smaller than the sum of its proper divisors (4621528344).

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

2318740992 is an frugal number, since it uses more digits than its factorization.

2318740992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670 (or 18642 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2318740992 is about 48153.3071761432. The cubic root of 2318740992 is about 1323.5816776725.

The spelling of 2318740992 in words is "two billion, three hundred eighteen million, seven hundred forty thousand, nine hundred ninety-two".