40908410240161 has 2 divisors, whose sum is σ = 40908410240162. Its totient is φ = 40908410240160.

The previous prime is 40908410240147. The next prime is 40908410240251. The reversal of 40908410240161 is 16104201480904.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38557033343761 + 2351376896400 = 6209431^2 + 1533420^2 .

It is a cyclic number.

It is not a de Polignac number, because 40908410240161 - 2³⁵ = 40874050501793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40908410280161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20454205120080 + 20454205120081.

It is an arithmetic number, because the mean of its divisors is an integer number (20454205120081).

Almost surely, 2^{40908410240161} is an apocalyptic number.

It is an amenable number.

40908410240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

40908410240161 is an equidigital number, since it uses as much as digits as its factorization.

40908410240161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 40908410240161 in words is "forty trillion, nine hundred eight billion, four hundred ten million, two hundred forty thousand, one hundred sixty-one".