40422370397 has 2 divisors, whose sum is σ = 40422370398. Its totient is φ = 40422370396.

The previous prime is 40422370379. The next prime is 40422370411. The reversal of 40422370397 is 79307322404.

Together with previous prime (40422370379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33073423321 + 7348947076 = 181861^2 + 85726^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422370397 - 2¹⁸ = 40422108253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40422370327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211185198 + 20211185199.

It is an arithmetic number, because the mean of its divisors is an integer number (20211185199).

Almost surely, 2^40422370397 is an apocalyptic number.

It is an amenable number.

40422370397 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422370397 is an equidigital number, since it uses as much as digits as its factorization.

40422370397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 40422370397 in words is "forty billion, four hundred twenty-two million, three hundred seventy thousand, three hundred ninety-seven".