40435099 has 4 divisors (see below), whose sum is σ = 40477464. Its totient is φ = 40392736.

The previous prime is 40435079. The next prime is 40435133. The reversal of 40435099 is 99053404.

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 40435099 - 2⁷ = 40434971 is a prime.

It is a super-3 number, since 3×40435099³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40435049) 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, 19717 + ... + 21670.

It is an arithmetic number, because the mean of its divisors is an integer number (10119366).

Almost surely, 2^40435099 is an apocalyptic number.

40435099 is a deficient number, since it is larger than the sum of its proper divisors (42365).

40435099 is an equidigital number, since it uses as much as digits as its factorization.

40435099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42364.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 40435099 is about 6358.8598820858. The cubic root of 40435099 is about 343.2307349409.

The spelling of 40435099 in words is "forty million, four hundred thirty-five thousand, ninety-nine".