40404241 has 4 divisors (see below), whose sum is σ = 42530800. Its totient is φ = 38277684.

The previous prime is 40404239. The next prime is 40404269. The reversal of 40404241 is 14240404.

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 40404241 - 2¹ = 40404239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2126539 = 40404241 / (4 + 0 + 4 + 0 + 4 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40404271) 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, 1063251 + ... + 1063288.

It is an arithmetic number, because the mean of its divisors is an integer number (10632700).

Almost surely, 2^40404241 is an apocalyptic number.

It is an amenable number.

40404241 is a deficient number, since it is larger than the sum of its proper divisors (2126559).

40404241 is a wasteful number, since it uses less digits than its factorization.

40404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126558.

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

The square root of 40404241 is about 6356.4330406290. The cubic root of 40404241 is about 343.1434006719.

Adding to 40404241 its reverse (14240404), we get a palindrome (54644645).

It can be divided in two parts, 4040 and 4241, that added together give a square (8281 = 91²).

The spelling of 40404241 in words is "forty million, four hundred four thousand, two hundred forty-one".