41040421 has 4 divisors (see below), whose sum is σ = 41560000. Its totient is φ = 40520844.

The previous prime is 41040413. The next prime is 41040449. The reversal of 41040421 is 12404014.

41040421 = 24² + 25² + ... + 497².

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 41040421 - 2³ = 41040413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41040395 and 41040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41040401) 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, 259671 + ... + 259828.

It is an arithmetic number, because the mean of its divisors is an integer number (10390000).

Almost surely, 2^41040421 is an apocalyptic number.

It is an amenable number.

41040421 is a deficient number, since it is larger than the sum of its proper divisors (519579).

41040421 is an equidigital number, since it uses as much as digits as its factorization.

41040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519578.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 41040421 is about 6406.2798096867. The cubic root of 41040421 is about 344.9350042091.

Adding to 41040421 its reverse (12404014), we get a palindrome (53444435).

The spelling of 41040421 in words is "forty-one million, forty thousand, four hundred twenty-one".