404432043 has 8 divisors (see below), whose sum is σ = 567624000. Its totient is φ = 255430728.

The previous prime is 404432027. The next prime is 404432051. The reversal of 404432043 is 340234404.

It is a happy number.

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

It is not a de Polignac number, because 404432043 - 2⁴ = 404432027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404432003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3547593 + ... + 3547706.

It is an arithmetic number, because the mean of its divisors is an integer number (70953000).

Almost surely, 2^404432043 is an apocalyptic number.

404432043 is a deficient number, since it is larger than the sum of its proper divisors (163191957).

404432043 is a wasteful number, since it uses less digits than its factorization.

404432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095321.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 404432043 is about 20110.4958417240. The cubic root of 404432043 is about 739.5176080557.

Adding to 404432043 its reverse (340234404), we get a palindrome (744666447).

It can be divided in two parts, 40443 and 2043, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 404432043 in words is "four hundred four million, four hundred thirty-two thousand, forty-three".