400014412332449 has 2 divisors, whose sum is σ = 400014412332450. Its totient is φ = 400014412332448.

The previous prime is 400014412332373. The next prime is 400014412332487. The reversal of 400014412332449 is 944233214410004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372100434909025 + 27913977423424 = 19289905^2 + 5283368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400014412332449 is a prime.

It is not a weakly prime, because it can be changed into another prime (400014112332449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200007206166224 + 200007206166225.

It is an arithmetic number, because the mean of its divisors is an integer number (200007206166225).

Almost surely, 2^{400014412332449} is an apocalyptic number.

It is an amenable number.

400014412332449 is a deficient number, since it is larger than the sum of its proper divisors (1).

400014412332449 is an equidigital number, since it uses as much as digits as its factorization.

400014412332449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 400014412332449 in words is "four hundred trillion, fourteen billion, four hundred twelve million, three hundred thirty-two thousand, four hundred forty-nine".