413044021 has 8 divisors (see below), whose sum is σ = 468228320. Its totient is φ = 361204272.

The previous prime is 413044007. The next prime is 413044033. The reversal of 413044021 is 120440314.

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

It is not a de Polignac number, because 413044021 - 2⁵ = 413043989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 413044021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413044321) 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, 835875 + ... + 836368.

It is an arithmetic number, because the mean of its divisors is an integer number (58528540).

Almost surely, 2^413044021 is an apocalyptic number.

It is an amenable number.

413044021 is a deficient number, since it is larger than the sum of its proper divisors (55184299).

413044021 is a wasteful number, since it uses less digits than its factorization.

413044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672275.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 413044021 is about 20323.4844699426. The cubic root of 413044021 is about 744.7298818044.

Adding to 413044021 its reverse (120440314), we get a palindrome (533484335).

The spelling of 413044021 in words is "four hundred thirteen million, forty-four thousand, twenty-one".