40542441 has 8 divisors (see below), whose sum is σ = 54552960. Its totient is φ = 26780112.

The previous prime is 40542431. The next prime is 40542457. The reversal of 40542441 is 14424504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40542441 - 2⁹ = 40541929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40542401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61665 + ... + 62318.

It is an arithmetic number, because the mean of its divisors is an integer number (6819120).

Almost surely, 2^40542441 is an apocalyptic number.

It is an amenable number.

40542441 is a deficient number, since it is larger than the sum of its proper divisors (14010519).

40542441 is a wasteful number, since it uses less digits than its factorization.

40542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124095.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 40542441 is about 6367.2946374422. The cubic root of 40542441 is about 343.5341884614.

Adding to 40542441 its reverse (14424504), we get a palindrome (54966945).

The spelling of 40542441 in words is "forty million, five hundred forty-two thousand, four hundred forty-one".