40401131167 has 2 divisors, whose sum is σ = 40401131168. Its totient is φ = 40401131166.

The previous prime is 40401131123. The next prime is 40401131189. The reversal of 40401131167 is 76113110404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40401131167 - 2³¹ = 38253647519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40401131467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200565583 + 20200565584.

It is an arithmetic number, because the mean of its divisors is an integer number (20200565584).

Almost surely, 2^40401131167 is an apocalyptic number.

40401131167 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401131167 is an equidigital number, since it uses as much as digits as its factorization.

40401131167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 40401131167 in words is "forty billion, four hundred one million, one hundred thirty-one thousand, one hundred sixty-seven".