1296441840996 has 81 divisors (see below), whose sum is σ = 3309358833963. Its totient is φ = 427936685760.

The previous prime is 1296441840977. The next prime is 1296441841021. The reversal of 1296441840996 is 6990481446921.

The square root of 1296441840996 is 1138614.

It is a perfect power (a square), and thus also a powerful number.

1296441840996 is a `hidden beast` number, since 1 + 2 + 96 + 4 + 418 + 40 + 9 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 353057002596 + 943384838400 = 594186^2 + 971280^2 .

It is a super-2 number, since 2×1296441840996² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 744652686 + ... + 744654426.

Almost surely, 2^{1296441840996} is an apocalyptic number.

1296441840996 is the 1138614-th square number.

It is an amenable number.

1296441840996 is an abundant number, since it is smaller than the sum of its proper divisors (2012916992967).

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

1296441840996 is an equidigital number, since it uses as much as digits as its factorization.

1296441840996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 1296441840996 in words is "one trillion, two hundred ninety-six billion, four hundred forty-one million, eight hundred forty thousand, nine hundred ninety-six".