40918751161877 has 2 divisors, whose sum is σ = 40918751161878. Its totient is φ = 40918751161876.

The previous prime is 40918751161811. The next prime is 40918751161901. The reversal of 40918751161877 is 77816115781904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31174701731761 + 9744049430116 = 5583431^2 + 3121546^2 .

It is a cyclic number.

It is not a de Polignac number, because 40918751161877 - 2²² = 40918746967573 is a prime.

It is a super-2 number, since 2×40918751161877² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40918751161177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20459375580938 + 20459375580939.

It is an arithmetic number, because the mean of its divisors is an integer number (20459375580939).

Almost surely, 2^{40918751161877} is an apocalyptic number.

It is an amenable number.

40918751161877 is a deficient number, since it is larger than the sum of its proper divisors (1).

40918751161877 is an equidigital number, since it uses as much as digits as its factorization.

40918751161877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 65.

The spelling of 40918751161877 in words is "forty trillion, nine hundred eighteen billion, seven hundred fifty-one million, one hundred sixty-one thousand, eight hundred seventy-seven".