12310413440 has 64 divisors (see below), whose sum is σ = 31693417560. Its totient is φ = 4545380352.

The previous prime is 12310413421. The next prime is 12310413461. The reversal of 12310413440 is 4431401321.

It can be written as a sum of positive squares in 4 ways, for example, as 11292037696 + 1018375744 = 106264^2 + 31912^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731489 + ... + 748128.

Almost surely, 2^12310413440 is an apocalyptic number.

12310413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310413440 is an abundant number, since it is smaller than the sum of its proper divisors (19383004120).

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

12310413440 is a wasteful number, since it uses less digits than its factorization.

12310413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479649 (or 1479637 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12310413440 its reverse (4431401321), we get a palindrome (16741814761).

The spelling of 12310413440 in words is "twelve billion, three hundred ten million, four hundred thirteen thousand, four hundred forty".