2311739472 has 120 divisors (see below), whose sum is σ = 6941240256. Its totient is φ = 649327104.

The previous prime is 2311739467. The next prime is 2311739473. The reversal of 2311739472 is 2749371132.

Its product of digits (63504) is a multiple of the sum of its prime divisors (392).

It is a self number, because there is not a number n which added to its sum of digits gives 2311739472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311739473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7529943 + ... + 7530249.

Almost surely, 2^2311739472 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 2311739472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470620128).

2311739472 is an abundant number, since it is smaller than the sum of its proper divisors (4629500784).

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

2311739472 is an equidigital number, since it uses as much as digits as its factorization.

2311739472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 392 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 2311739472 is about 48080.5519103098. The cubic root of 2311739472 is about 1322.2481340631.

The spelling of 2311739472 in words is "two billion, three hundred eleven million, seven hundred thirty-nine thousand, four hundred seventy-two".