40401433297 has 2 divisors, whose sum is σ = 40401433298. Its totient is φ = 40401433296.

The previous prime is 40401433279. The next prime is 40401433337. The reversal of 40401433297 is 79233410404.

Together with previous prime (40401433279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38081180736 + 2320252561 = 195144^2 + 48169^2 .

It is a cyclic number.

It is not a de Polignac number, because 40401433297 - 2²³ = 40393044689 is a prime.

It is not a weakly prime, because it can be changed into another prime (40401433277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200716648 + 20200716649.

It is an arithmetic number, because the mean of its divisors is an integer number (20200716649).

Almost surely, 2^40401433297 is an apocalyptic number.

It is an amenable number.

40401433297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401433297 is an equidigital number, since it uses as much as digits as its factorization.

40401433297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 40401433297 in words is "forty billion, four hundred one million, four hundred thirty-three thousand, two hundred ninety-seven".