40024441 has 4 divisors (see below), whose sum is σ = 41315584. Its totient is φ = 38733300.

The previous prime is 40024433. The next prime is 40024447. The reversal of 40024441 is 14442004.

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 40024441 - 2³ = 40024433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024447) 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, 645525 + ... + 645586.

It is an arithmetic number, because the mean of its divisors is an integer number (10328896).

Almost surely, 2^40024441 is an apocalyptic number.

It is an amenable number.

40024441 is a deficient number, since it is larger than the sum of its proper divisors (1291143).

40024441 is a wasteful number, since it uses less digits than its factorization.

40024441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291142.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 40024441 is about 6326.4872559739. The cubic root of 40024441 is about 342.0648310232.

Adding to 40024441 its reverse (14442004), we get a palindrome (54466445).

The spelling of 40024441 in words is "forty million, twenty-four thousand, four hundred forty-one".