40401430297 has 2 divisors, whose sum is σ = 40401430298. Its totient is φ = 40401430296.

The previous prime is 40401430271. The next prime is 40401430309. The reversal of 40401430297 is 79203410404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34880791696 + 5520638601 = 186764^2 + 74301^2 .

It is a cyclic number.

It is not a de Polignac number, because 40401430297 - 2¹⁵ = 40401397529 is a prime.

It is not a weakly prime, because it can be changed into another prime (40401433297) 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, 20200715148 + 20200715149.

It is an arithmetic number, because the mean of its divisors is an integer number (20200715149).

Almost surely, 2^40401430297 is an apocalyptic number.

It is an amenable number.

40401430297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401430297 is an equidigital number, since it uses as much as digits as its factorization.

40401430297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 40401430297 in words is "forty billion, four hundred one million, four hundred thirty thousand, two hundred ninety-seven".