40516187 has 2 divisors, whose sum is σ = 40516188. Its totient is φ = 40516186.

The previous prime is 40516181. The next prime is 40516193. The reversal of 40516187 is 78161504.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40516181) and next prime (40516193).

It is a cyclic number.

It is not a de Polignac number, because 40516187 - 2⁶ = 40516123 is a prime.

It is a super-2 number, since 2×40516187² = 3283122818037938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40516181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20258093 + 20258094.

It is an arithmetic number, because the mean of its divisors is an integer number (20258094).

Almost surely, 2^40516187 is an apocalyptic number.

40516187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40516187 is an equidigital number, since it uses as much as digits as its factorization.

40516187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 40516187 is about 6365.2326744590. The cubic root of 40516187 is about 343.4600184978.

The spelling of 40516187 in words is "forty million, five hundred sixteen thousand, one hundred eighty-seven".