40544199 has 32 divisors (see below), whose sum is σ = 61900800. Its totient is φ = 26218080.

The previous prime is 40544197. The next prime is 40544209. The reversal of 40544199 is 99144504.

It is a happy number.

It is not a de Polignac number, because 40544199 - 2¹ = 40544197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169522 + ... + 169760.

It is an arithmetic number, because the mean of its divisors is an integer number (1934400).

Almost surely, 2^40544199 is an apocalyptic number.

40544199 is a deficient number, since it is larger than the sum of its proper divisors (21356601).

40544199 is a wasteful number, since it uses less digits than its factorization.

40544199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40544199 is about 6367.4326851566. The cubic root of 40544199 is about 343.5391538291.

The spelling of 40544199 in words is "forty million, five hundred forty-four thousand, one hundred ninety-nine".