2312248540 has 72 divisors (see below), whose sum is σ = 5895136800. Its totient is φ = 746124288.

The previous prime is 2312248517. The next prime is 2312248541. The reversal of 2312248540 is 458422132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312248541) 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, 11886 + ... + 69034.

It is an arithmetic number, because the mean of its divisors is an integer number (81876900).

Almost surely, 2^2312248540 is an apocalyptic number.

2312248540 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 2312248540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2947568400).

2312248540 is an abundant number, since it is smaller than the sum of its proper divisors (3582888260).

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

2312248540 is a wasteful number, since it uses less digits than its factorization.

2312248540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57199 (or 57180 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2312248540 is about 48085.8455265164. The cubic root of 2312248540 is about 1322.3451843318.

The spelling of 2312248540 in words is "two billion, three hundred twelve million, two hundred forty-eight thousand, five hundred forty".