2311407488 has 64 divisors (see below), whose sum is σ = 4982006400. Its totient is φ = 1061849088.

The previous prime is 2311407463. The next prime is 2311407569. The reversal of 2311407488 is 8847041132.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367958 + ... + 374186.

It is an arithmetic number, because the mean of its divisors is an integer number (77843850).

Almost surely, 2^2311407488 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 2311407488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491003200).

2311407488 is an abundant number, since it is smaller than the sum of its proper divisors (2670598912).

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

2311407488 is a wasteful number, since it uses less digits than its factorization.

2311407488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 2311407488 is about 48077.0994133382. The cubic root of 2311407488 is about 1322.1848359501.

The spelling of 2311407488 in words is "two billion, three hundred eleven million, four hundred seven thousand, four hundred eighty-eight".