2318883840 has 792 divisors, whose sum is σ = 10193077440. Its totient is φ = 483065856.

The previous prime is 2318883839. The next prime is 2318883883. The reversal of 2318883840 is 483888132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29352921 + ... + 29352999.

Almost surely, 2^2318883840 is an apocalyptic number.

2318883840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2318883840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5096538720).

2318883840 is an abundant number, since it is smaller than the sum of its proper divisors (7874193600).

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

2318883840 is a wasteful number, since it uses less digits than its factorization.

2318883840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 2318883840 is about 48154.7904159077. The cubic root of 2318883840 is about 1323.6088572373.

The spelling of 2318883840 in words is "two billion, three hundred eighteen million, eight hundred eighty-three thousand, eight hundred forty".