40599069 has 8 divisors (see below), whose sum is σ = 61865280. Its totient is φ = 23199456.

The previous prime is 40599037. The next prime is 40599089. The reversal of 40599069 is 96099504.

It is a happy number.

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

It is not a de Polignac number, because 40599069 - 2⁵ = 40599037 is a prime.

It is a super-2 number, since 2×40599069² = 3296568807333522, 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 40599069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40599019) 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, 966624 + ... + 966665.

It is an arithmetic number, because the mean of its divisors is an integer number (7733160).

Almost surely, 2^40599069 is an apocalyptic number.

It is an amenable number.

40599069 is a deficient number, since it is larger than the sum of its proper divisors (21266211).

40599069 is a wasteful number, since it uses less digits than its factorization.

40599069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933299.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 40599069 is about 6371.7398722798. The cubic root of 40599069 is about 343.6940588196.

The spelling of 40599069 in words is "forty million, five hundred ninety-nine thousand, sixty-nine".