40086699 has 8 divisors (see below), whose sum is σ = 54325392. Its totient is φ = 26286240.

The previous prime is 40086659. The next prime is 40086701. The reversal of 40086699 is 99668004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40086699 - 2⁸ = 40086443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40086699.

It is not an unprimeable number, because it can be changed into a prime (40086659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109344 + ... + 109709.

It is an arithmetic number, because the mean of its divisors is an integer number (6790674).

Almost surely, 2^40086699 is an apocalyptic number.

40086699 is a deficient number, since it is larger than the sum of its proper divisors (14238693).

40086699 is a wasteful number, since it uses less digits than its factorization.

40086699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219117.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 40086699 is about 6331.4057680739. The cubic root of 40086699 is about 342.2420997048.

The spelling of 40086699 in words is "forty million, eighty-six thousand, six hundred ninety-nine".