40520167 has 2 divisors, whose sum is σ = 40520168. Its totient is φ = 40520166.

The previous prime is 40520159. The next prime is 40520213. The reversal of 40520167 is 76102504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40520167 - 2³ = 40520159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40520107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20260083 + 20260084.

It is an arithmetic number, because the mean of its divisors is an integer number (20260084).

Almost surely, 2^40520167 is an apocalyptic number.

40520167 is a deficient number, since it is larger than the sum of its proper divisors (1).

40520167 is an equidigital number, since it uses as much as digits as its factorization.

40520167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40520167 is about 6365.5453026430. The cubic root of 40520167 is about 343.4712644237.

The spelling of 40520167 in words is "forty million, five hundred twenty thousand, one hundred sixty-seven".