40354241 has 4 divisors (see below), whose sum is σ = 40369584. Its totient is φ = 40338900.

The previous prime is 40354217. The next prime is 40354261. The reversal of 40354241 is 14245304.

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 a de Polignac number, because none of the positive numbers 2^k-40354241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40354211) 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, 2615 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (10092396).

Almost surely, 2^40354241 is an apocalyptic number.

It is an amenable number.

40354241 is a deficient number, since it is larger than the sum of its proper divisors (15343).

40354241 is a wasteful number, since it uses less digits than its factorization.

40354241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40354241 is about 6352.4987996850. The cubic root of 40354241 is about 343.0017962943.

Adding to 40354241 its reverse (14245304), we get a palindrome (54599545).

The spelling of 40354241 in words is "forty million, three hundred fifty-four thousand, two hundred forty-one".