40422248897 has 2 divisors, whose sum is σ = 40422248898. Its totient is φ = 40422248896.

The previous prime is 40422248861. The next prime is 40422248929. The reversal of 40422248897 is 79884222404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32991636496 + 7430612401 = 181636^2 + 86201^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422248897 - 2³² = 36127281601 is a prime.

It is not a weakly prime, because it can be changed into another prime (40422248197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211124448 + 20211124449.

It is an arithmetic number, because the mean of its divisors is an integer number (20211124449).

Almost surely, 2^40422248897 is an apocalyptic number.

It is an amenable number.

40422248897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422248897 is an equidigital number, since it uses as much as digits as its factorization.

40422248897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 40422248897 in words is "forty billion, four hundred twenty-two million, two hundred forty-eight thousand, eight hundred ninety-seven".