40307199 has 4 divisors (see below), whose sum is σ = 53742936. Its totient is φ = 26871464.

The previous prime is 40307177. The next prime is 40307231. The reversal of 40307199 is 99170304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40307199 - 2⁵ = 40307167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40307149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6717864 + ... + 6717869.

It is an arithmetic number, because the mean of its divisors is an integer number (13435734).

Almost surely, 2^40307199 is an apocalyptic number.

40307199 is a deficient number, since it is larger than the sum of its proper divisors (13435737).

40307199 is a wasteful number, since it uses less digits than its factorization.

40307199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435736.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 40307199 is about 6348.7950825334. The cubic root of 40307199 is about 342.8684623991.

The spelling of 40307199 in words is "forty million, three hundred seven thousand, one hundred ninety-nine".