30440429812 has 12 divisors (see below), whose sum is σ = 57368502436. Its totient is φ = 14049429120.

The previous prime is 30440429801. The next prime is 30440429813. The reversal of 30440429812 is 21892404403.

It can be written as a sum of positive squares in 2 ways, for example, as 3571974756 + 26868455056 = 59766^2 + 163916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440429813) 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, 292696389 + ... + 292696492.

Almost surely, 2^30440429812 is an apocalyptic number.

It is an amenable number.

30440429812 is a deficient number, since it is larger than the sum of its proper divisors (26928072624).

30440429812 is a wasteful number, since it uses less digits than its factorization.

30440429812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585392898 (or 585392896 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 30440429812 in words is "thirty billion, four hundred forty million, four hundred twenty-nine thousand, eight hundred twelve".