30404323405 has 16 divisors (see below), whose sum is σ = 38117012400. Its totient is φ = 23252185600.

The previous prime is 30404323363. The next prime is 30404323409. The reversal of 30404323405 is 50432340403.

It can be written as a sum of positive squares in 8 ways, for example, as 529966441 + 29874356964 = 23021^2 + 172842^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30404323405 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404323409) 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, 1023400 + ... + 1052689.

It is an arithmetic number, because the mean of its divisors is an integer number (2382313275).

Almost surely, 2^30404323405 is an apocalyptic number.

It is an amenable number.

30404323405 is a deficient number, since it is larger than the sum of its proper divisors (7712688995).

30404323405 is a wasteful number, since it uses less digits than its factorization.

30404323405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076224.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 30404323405 its reverse (50432340403), we get a palindrome (80836663808).

The spelling of 30404323405 in words is "thirty billion, four hundred four million, three hundred twenty-three thousand, four hundred five".