40975922722657 has 8 divisors (see below), whose sum is σ = 44199436911336. Its totient is φ = 37762625695872.

The previous prime is 40975922722639. The next prime is 40975922722711. The reversal of 40975922722657 is 75622722957904.

It can be written as a sum of positive squares in 4 ways, for example, as 301171561681 + 40674751160976 = 548791^2 + 6377676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40975922722657 - 2⁴³ = 32179829700449 is a prime.

It is a super-2 number, since 2×40975922722657² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40975922722592 and 40975922722601.

It is not an unprimeable number, because it can be changed into a prime (40975922723657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554282138 + ... + 2554298179.

It is an arithmetic number, because the mean of its divisors is an integer number (5524929613917).

Almost surely, 2^{40975922722657} is an apocalyptic number.

It is an amenable number.

40975922722657 is a deficient number, since it is larger than the sum of its proper divisors (3223514188679).

40975922722657 is a wasteful number, since it uses less digits than its factorization.

40975922722657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108580947.

The product of its (nonzero) digits is 266716800, while the sum is 67.

The spelling of 40975922722657 in words is "forty trillion, nine hundred seventy-five billion, nine hundred twenty-two million, seven hundred twenty-two thousand, six hundred fifty-seven".