40544299 has 4 divisors (see below), whose sum is σ = 40726336. Its totient is φ = 40362264.

The previous prime is 40544297. The next prime is 40544353. The reversal of 40544299 is 99244504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40544299 - 2¹ = 40544297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40544293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90684 + ... + 91129.

It is an arithmetic number, because the mean of its divisors is an integer number (10181584).

Almost surely, 2^40544299 is an apocalyptic number.

40544299 is a deficient number, since it is larger than the sum of its proper divisors (182037).

40544299 is a wasteful number, since it uses less digits than its factorization.

40544299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182036.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 40544299 is about 6367.4405376101. The cubic root of 40544299 is about 343.5394362689.

The spelling of 40544299 in words is "forty million, five hundred forty-four thousand, two hundred ninety-nine".