2311738944 has 224 divisors, whose sum is σ = 6671462400. Its totient is φ = 704686080.

The previous prime is 2311738943. The next prime is 2311738951. The reversal of 2311738944 is 4498371132.

It is a junction number, because it is equal to n+sod(n) for n = 2311738896 and 2311738905.

It is not an unprimeable number, because it can be changed into a prime (2311738943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10183759 + ... + 10183985.

Almost surely, 2^2311738944 is an apocalyptic number.

2311738944 is a gapful number since it is divisible by the number (24) 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 2311738944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335731200).

2311738944 is an abundant number, since it is smaller than the sum of its proper divisors (4359723456).

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

2311738944 is a wasteful number, since it uses less digits than its factorization.

2311738944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 351 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 2311738944 is about 48080.5464195240. The cubic root of 2311738944 is about 1322.2480333962.

The spelling of 2311738944 in words is "two billion, three hundred eleven million, seven hundred thirty-eight thousand, nine hundred forty-four".