40544999 has 8 divisors (see below), whose sum is σ = 44287248. Its totient is φ = 36812160.

The previous prime is 40544989. The next prime is 40545019. The reversal of 40544999 is 99944504.

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

It is a de Polignac number, because none of the positive numbers 2^k-40544999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544909) 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, 9119 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (5535906).

Almost surely, 2^40544999 is an apocalyptic number.

40544999 is a deficient number, since it is larger than the sum of its proper divisors (3742249).

40544999 is a wasteful number, since it uses less digits than its factorization.

40544999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 40544999 is about 6367.4955045135. The cubic root of 40544999 is about 343.5414133345.

The spelling of 40544999 in words is "forty million, five hundred forty-four thousand, nine hundred ninety-nine".