40899999 has 8 divisors (see below), whose sum is σ = 62323840. Its totient is φ = 23371416.

The previous prime is 40899979. The next prime is 40900007. The reversal of 40899999 is 99999804.

40899999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40899999 - 2⁵ = 40899967 is a prime.

It is a Duffinian number.

40899999 is a modest number, since divided by 9999 gives 4089 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40899979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973789 + ... + 973830.

It is an arithmetic number, because the mean of its divisors is an integer number (7790480).

Almost surely, 2^40899999 is an apocalyptic number.

40899999 is a deficient number, since it is larger than the sum of its proper divisors (21423841).

40899999 is a wasteful number, since it uses less digits than its factorization.

40899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947629.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 40899999 is about 6395.3107039455. The cubic root of 40899999 is about 344.5411501348.

The spelling of 40899999 in words is "forty million, eight hundred ninety-nine thousand, nine hundred ninety-nine".