40799999 has 8 divisors (see below), whose sum is σ = 43948032. Its totient is φ = 37766520.

The previous prime is 40799989. The next prime is 40800073. The reversal of 40799999 is 99999704.

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

It is a cyclic number.

It is not a de Polignac number, because 40799999 - 2⁸ = 40799743 is a prime.

40799999 is a modest number, since divided by 9999 gives 4079 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799909) 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, 27899 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (5493504).

Almost surely, 2^40799999 is an apocalyptic number.

40799999 is a deficient number, since it is larger than the sum of its proper divisors (3148033).

40799999 is a wasteful number, since it uses less digits than its factorization.

40799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57277.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 40799999 is about 6387.4876907905. The cubic root of 40799999 is about 344.2601213327.

The spelling of 40799999 in words is "forty million, seven hundred ninety-nine thousand, nine hundred ninety-nine".