40430455297 has 2 divisors, whose sum is σ = 40430455298. Its totient is φ = 40430455296.

The previous prime is 40430455279. The next prime is 40430455327. The reversal of 40430455297 is 79255403404.

Together with previous prime (40430455279) 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., 33962435521 + 6468019776 = 184289^2 + 80424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40430455297 is a prime.

It is not a weakly prime, because it can be changed into another prime (40430455267) 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, 20215227648 + 20215227649.

It is an arithmetic number, because the mean of its divisors is an integer number (20215227649).

Almost surely, 2^40430455297 is an apocalyptic number.

It is an amenable number.

40430455297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430455297 is an equidigital number, since it uses as much as digits as its factorization.

40430455297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 40430455297 in words is "forty billion, four hundred thirty million, four hundred fifty-five thousand, two hundred ninety-seven".