404622043 has 16 divisors (see below), whose sum is σ = 489265920. Its totient is φ = 326876256.

The previous prime is 404622019. The next prime is 404622073. The reversal of 404622043 is 340226404.

It is not a de Polignac number, because 404622043 - 2¹³ = 404613851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404621999 and 404622017.

It is not an unprimeable number, because it can be changed into a prime (404622073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18480 + ... + 33922.

It is an arithmetic number, because the mean of its divisors is an integer number (30579120).

Almost surely, 2^404622043 is an apocalyptic number.

404622043 is a deficient number, since it is larger than the sum of its proper divisors (84643877).

404622043 is a wasteful number, since it uses less digits than its factorization.

404622043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 404622043 is about 20115.2191884652. The cubic root of 404622043 is about 739.6333970577.

Adding to 404622043 its reverse (340226404), we get a palindrome (744848447).

The spelling of 404622043 in words is "four hundred four million, six hundred twenty-two thousand, forty-three".