40407099 has 8 divisors (see below), whose sum is σ = 55190352. Its totient is φ = 26280960.

The previous prime is 40407089. The next prime is 40407119. The reversal of 40407099 is 99070404.

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

It is not a de Polignac number, because 40407099 - 2⁴ = 40407083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40407049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164134 + ... + 164379.

It is an arithmetic number, because the mean of its divisors is an integer number (6898794).

Almost surely, 2^40407099 is an apocalyptic number.

40407099 is a deficient number, since it is larger than the sum of its proper divisors (14783253).

40407099 is a wasteful number, since it uses less digits than its factorization.

40407099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328557.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 40407099 is about 6356.6578482722. The cubic root of 40407099 is about 343.1514912477.

The spelling of 40407099 in words is "forty million, four hundred seven thousand, ninety-nine".