404015041 has 4 divisors (see below), whose sum is σ = 404592084. Its totient is φ = 403438000.

The previous prime is 404015039. The next prime is 404015093. The reversal of 404015041 is 140510404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 347449600 + 56565441 = 18640^2 + 7521^2 .

It is a cyclic number.

It is not a de Polignac number, because 404015041 - 2¹ = 404015039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404015021) 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, 287470 + ... + 288871.

It is an arithmetic number, because the mean of its divisors is an integer number (101148021).

Almost surely, 2^404015041 is an apocalyptic number.

It is an amenable number.

404015041 is a deficient number, since it is larger than the sum of its proper divisors (577043).

404015041 is an equidigital number, since it uses as much as digits as its factorization.

404015041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577042.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 404015041 is about 20100.1253976188. The cubic root of 404015041 is about 739.2633532507.

Adding to 404015041 its reverse (140510404), we get a palindrome (544525445).

It can be divided in two parts, 40401 and 5041, that multiplied together give a square (203661441 = 14271²).

The spelling of 404015041 in words is "four hundred four million, fifteen thousand, forty-one".