401040017177 has 2 divisors, whose sum is σ = 401040017178. Its totient is φ = 401040017176.

The previous prime is 401040017167. The next prime is 401040017263. The reversal of 401040017177 is 771710040104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348417492361 + 52622524816 = 590269^2 + 229396^2 .

It is a cyclic number.

It is not a de Polignac number, because 401040017177 - 2⁸ = 401040016921 is a prime.

It is not a weakly prime, because it can be changed into another prime (401040017167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200520008588 + 200520008589.

It is an arithmetic number, because the mean of its divisors is an integer number (200520008589).

Almost surely, 2^401040017177 is an apocalyptic number.

It is an amenable number.

401040017177 is a deficient number, since it is larger than the sum of its proper divisors (1).

401040017177 is an equidigital number, since it uses as much as digits as its factorization.

401040017177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 32.

The spelling of 401040017177 in words is "four hundred one billion, forty million, seventeen thousand, one hundred seventy-seven".