40086207 has 48 divisors (see below), whose sum is σ = 70424640. Its totient is φ = 21482496.

The previous prime is 40086203. The next prime is 40086229. The reversal of 40086207 is 70268004.

It is not a de Polignac number, because 40086207 - 2² = 40086203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40086203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67303 + ... + 67895.

It is an arithmetic number, because the mean of its divisors is an integer number (1467180).

Almost surely, 2^40086207 is an apocalyptic number.

40086207 is a deficient number, since it is larger than the sum of its proper divisors (30338433).

40086207 is a wasteful number, since it uses less digits than its factorization.

40086207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40086207 is about 6331.3669140242. The cubic root of 40086207 is about 342.2406995413.

The spelling of 40086207 in words is "forty million, eighty-six thousand, two hundred seven".