404034243403 has 4 divisors (see below), whose sum is σ = 461753421040. Its totient is φ = 346315065768.

The previous prime is 404034243377. The next prime is 404034243427. The reversal of 404034243403 is 304342430404.

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

It is a de Polignac number, because none of the positive numbers 2^k-404034243403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404034243443) 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, 28859588808 + ... + 28859588821.

It is an arithmetic number, because the mean of its divisors is an integer number (115438355260).

Almost surely, 2^404034243403 is an apocalyptic number.

404034243403 is a deficient number, since it is larger than the sum of its proper divisors (57719177637).

404034243403 is an equidigital number, since it uses as much as digits as its factorization.

404034243403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57719177636.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 404034243403 its reverse (304342430404), we get a palindrome (708376673807).

The spelling of 404034243403 in words is "four hundred four billion, thirty-four million, two hundred forty-three thousand, four hundred three".