40250235161 has 2 divisors, whose sum is σ = 40250235162. Its totient is φ = 40250235160.

The previous prime is 40250235127. The next prime is 40250235167. The reversal of 40250235161 is 16153205204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23330729536 + 16919505625 = 152744^2 + 130075^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250235161 - 2¹⁰ = 40250234137 is a prime.

It is not a weakly prime, because it can be changed into another prime (40250235167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125117580 + 20125117581.

It is an arithmetic number, because the mean of its divisors is an integer number (20125117581).

Almost surely, 2^40250235161 is an apocalyptic number.

It is an amenable number.

40250235161 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250235161 is an equidigital number, since it uses as much as digits as its factorization.

40250235161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 40250235161 in words is "forty billion, two hundred fifty million, two hundred thirty-five thousand, one hundred sixty-one".