30440203432 has 16 divisors (see below), whose sum is σ = 57077938260. Its totient is φ = 15219419904.

The previous prime is 30440203421. The next prime is 30440203447. The reversal of 30440203432 is 23430204403.

It can be written as a sum of positive squares in 2 ways, for example, as 23462274276 + 6977929156 = 153174^2 + 83534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30440203397 and 30440203406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139318 + ... + 283354.

Almost surely, 2^30440203432 is an apocalyptic number.

It is an amenable number.

30440203432 is a deficient number, since it is larger than the sum of its proper divisors (26637734828).

30440203432 is a wasteful number, since it uses less digits than its factorization.

30440203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170460 (or 170456 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 30440203432 its reverse (23430204403), we get a palindrome (53870407835).

The spelling of 30440203432 in words is "thirty billion, four hundred forty million, two hundred three thousand, four hundred thirty-two".