40118019 has 8 divisors (see below), whose sum is σ = 53520720. Its totient is φ = 26730336.

The previous prime is 40117981. The next prime is 40118021. The reversal of 40118019 is 91081104.

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

It is not a de Polignac number, because 40118019 - 2²⁴ = 23340803 is a prime.

It is a super-2 number, since 2×40118019² = 3218910896968722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40118019.

It is not an unprimeable number, because it can be changed into a prime (40118219) 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, 6429 + ... + 11025.

It is an arithmetic number, because the mean of its divisors is an integer number (6690090).

Almost surely, 2^40118019 is an apocalyptic number.

40118019 is a deficient number, since it is larger than the sum of its proper divisors (13402701).

40118019 is a wasteful number, since it uses less digits than its factorization.

40118019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 40118019 is about 6333.8786695042. The cubic root of 40118019 is about 342.3312084984.

The spelling of 40118019 in words is "forty million, one hundred eighteen thousand, nineteen".