40102177 has 2 divisors, whose sum is σ = 40102178. Its totient is φ = 40102176.

The previous prime is 40102171. The next prime is 40102199. The reversal of 40102177 is 77120104.

It is an a-pointer prime, because the next prime (40102199) can be obtained adding 40102177 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 15062161 = 5004^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 40102177 - 2¹¹ = 40100129 is a prime.

It is not a weakly prime, because it can be changed into another prime (40102171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051088 + 20051089.

It is an arithmetic number, because the mean of its divisors is an integer number (20051089).

Almost surely, 2^40102177 is an apocalyptic number.

It is an amenable number.

40102177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40102177 is an equidigital number, since it uses as much as digits as its factorization.

40102177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 40102177 is about 6332.6279694926. The cubic root of 40102177 is about 342.2861420906.

The spelling of 40102177 in words is "forty million, one hundred two thousand, one hundred seventy-seven".