30404640403 has 4 divisors (see below), whose sum is σ = 32193148680. Its totient is φ = 28616132128.

The previous prime is 30404640367. The next prime is 30404640419.

30404640403 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30404640403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30404620403) 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, 894254113 + ... + 894254146.

It is an arithmetic number, because the mean of its divisors is an integer number (8048287170).

Almost surely, 2^30404640403 is an apocalyptic number.

30404640403 is a deficient number, since it is larger than the sum of its proper divisors (1788508277).

30404640403 is a wasteful number, since it uses less digits than its factorization.

30404640403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788508276.

The product of its (nonzero) digits is 13824, while the sum is 28.

The spelling of 30404640403 in words is "thirty billion, four hundred four million, six hundred forty thousand, four hundred three".