40309167087 has 18 divisors (see below), whose sum is σ = 67730369928. Its totient is φ = 23033809512.

The previous prime is 40309167079. The next prime is 40309167133. The reversal of 40309167087 is 78076190304.

40309167087 is a `hidden beast` number, since 403 + 0 + 9 + 167 + 0 + 87 = 666.

It is not a de Polignac number, because 40309167087 - 2³ = 40309167079 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40309167077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45701563 + ... + 45702444.

Almost surely, 2^40309167087 is an apocalyptic number.

40309167087 is a deficient number, since it is larger than the sum of its proper divisors (27421202841).

40309167087 is a wasteful number, since it uses less digits than its factorization.

40309167087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91404027 (or 91404017 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 40309167087 in words is "forty billion, three hundred nine million, one hundred sixty-seven thousand, eighty-seven".