40097041 has 4 divisors (see below), whose sum is σ = 40140772. Its totient is φ = 40053312.

The previous prime is 40097039. The next prime is 40097059. The reversal of 40097041 is 14079004.

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 9891025 + 30206016 = 3145^2 + 5496^2 .

It is a cyclic number.

It is not a de Polignac number, because 40097041 - 2¹ = 40097039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40096997 and 40097015.

It is not an unprimeable number, because it can be changed into a prime (40097641) 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, 20460 + ... + 22333.

It is an arithmetic number, because the mean of its divisors is an integer number (10035193).

Almost surely, 2^40097041 is an apocalyptic number.

It is an amenable number.

40097041 is a deficient number, since it is larger than the sum of its proper divisors (43731).

40097041 is an equidigital number, since it uses as much as digits as its factorization.

40097041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43730.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40097041 is about 6332.2224376596. Note that the first 3 decimals coincide. The cubic root of 40097041 is about 342.2715289465.

The spelling of 40097041 in words is "forty million, ninety-seven thousand, forty-one".