40544201 has 4 divisors (see below), whose sum is σ = 42929172. Its totient is φ = 38159232.

The previous prime is 40544197. The next prime is 40544209. The reversal of 40544201 is 10244504.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 8065600 = 5699^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 40544201 - 2² = 40544197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40544209) 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, 1192460 + ... + 1192493.

It is an arithmetic number, because the mean of its divisors is an integer number (10732293).

Almost surely, 2^40544201 is an apocalyptic number.

It is an amenable number.

40544201 is a deficient number, since it is larger than the sum of its proper divisors (2384971).

40544201 is a wasteful number, since it uses less digits than its factorization.

40544201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384970.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40544201 is about 6367.4328422057. The cubic root of 40544201 is about 343.5391594779.

Adding to 40544201 its reverse (10244504), we get a palindrome (50788705).

The spelling of 40544201 in words is "forty million, five hundred forty-four thousand, two hundred one".