2312074309440 has 896 divisors, whose sum is σ = 8849776803840. Its totient is φ = 500318208000.

The previous prime is 2312074309427. The next prime is 2312074309451. The reversal of 2312074309440 is 449034702132.

It is a super-2 number, since 2×2312074309440² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3847045140 + ... + 3847045740.

It is an arithmetic number, because the mean of its divisors is an integer number (9876983040).

Almost surely, 2^{2312074309440} is an apocalyptic number.

2312074309440 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 2312074309440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4424888401920).

2312074309440 is an abundant number, since it is smaller than the sum of its proper divisors (6537702494400).

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

2312074309440 is a wasteful number, since it uses less digits than its factorization.

2312074309440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 2312074309440 in words is "two trillion, three hundred twelve billion, seventy-four million, three hundred nine thousand, four hundred forty".