30440021230 has 8 divisors (see below), whose sum is σ = 54792038232. Its totient is φ = 12176008488.

The previous prime is 30440021221. The next prime is 30440021237. The reversal of 30440021230 is 3212004403.

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

It is a junction number, because it is equal to n+sod(n) for n = 30440021198 and 30440021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440021237) 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, 1522001052 + ... + 1522001071.

It is an arithmetic number, because the mean of its divisors is an integer number (6849004779).

Almost surely, 2^30440021230 is an apocalyptic number.

30440021230 is a deficient number, since it is larger than the sum of its proper divisors (24352017002).

30440021230 is a wasteful number, since it uses less digits than its factorization.

30440021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044002130.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30440021230 its reverse (3212004403), we get a palindrome (33652025633).

The spelling of 30440021230 in words is "thirty billion, four hundred forty million, twenty-one thousand, two hundred thirty".