2311492560 has 320 divisors, whose sum is σ = 8136979200. Its totient is φ = 538804224.

The previous prime is 2311492559. The next prime is 2311492627. The reversal of 2311492560 is 652941132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5338104 + ... + 5338536.

It is an arithmetic number, because the mean of its divisors is an integer number (25428060).

Almost surely, 2^2311492560 is an apocalyptic number.

2311492560 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 2311492560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4068489600).

2311492560 is an abundant number, since it is smaller than the sum of its proper divisors (5825486640).

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

2311492560 is a wasteful number, since it uses less digits than its factorization.

2311492560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2311492560 is about 48077.9841507524. The cubic root of 2311492560 is about 1322.2010568789.

The spelling of 2311492560 in words is "two billion, three hundred eleven million, four hundred ninety-two thousand, five hundred sixty".