40922257797 has 12 divisors (see below), whose sum is σ = 59279301900. Its totient is φ = 27203332608.

The previous prime is 40922257709. The next prime is 40922257799. The reversal of 40922257797 is 79775222904.

It is a happy number.

40922257797 is a `hidden beast` number, since 40 + 9 + 2 + 22 + 577 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36722440161 + 4199817636 = 191631^2 + 64806^2 .

It is not a de Polignac number, because 40922257797 - 2⁷ = 40922257669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40922257799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6511068 + ... + 6517349.

It is an arithmetic number, because the mean of its divisors is an integer number (4939941825).

Almost surely, 2^40922257797 is an apocalyptic number.

It is an amenable number.

40922257797 is a deficient number, since it is larger than the sum of its proper divisors (18357044103).

40922257797 is a wasteful number, since it uses less digits than its factorization.

40922257797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13028772 (or 13028769 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 40922257797 in words is "forty billion, nine hundred twenty-two million, two hundred fifty-seven thousand, seven hundred ninety-seven".