40545041 has 4 divisors (see below), whose sum is σ = 40652400. Its totient is φ = 40437684.

The previous prime is 40545019. The next prime is 40545061. The reversal of 40545041 is 14054504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40545041 - 2¹⁰ = 40544017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40544998 and 40545016.

It is not an unprimeable number, because it can be changed into a prime (40545061) 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, 53111 + ... + 53868.

It is an arithmetic number, because the mean of its divisors is an integer number (10163100).

Almost surely, 2^40545041 is an apocalyptic number.

It is an amenable number.

40545041 is a deficient number, since it is larger than the sum of its proper divisors (107359).

40545041 is a wasteful number, since it uses less digits than its factorization.

40545041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107358.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40545041 is about 6367.4988025126. The cubic root of 40545041 is about 343.5415319577.

Adding to 40545041 its reverse (14054504), we get a palindrome (54599545).

The spelling of 40545041 in words is "forty million, five hundred forty-five thousand, forty-one".