30390044290 has 16 divisors (see below), whose sum is σ = 54713125368. Its totient is φ = 12153563136.

The previous prime is 30390044287. The next prime is 30390044291. The reversal of 30390044290 is 9244009303.

It can be written as a sum of positive squares in 4 ways, for example, as 23947253001 + 6442791289 = 154749^2 + 80267^2 .

It is not an unprimeable number, because it can be changed into a prime (30390044291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254397 + ... + 354256.

Almost surely, 2^30390044290 is an apocalyptic number.

30390044290 is a deficient number, since it is larger than the sum of its proper divisors (24323081078).

30390044290 is a wasteful number, since it uses less digits than its factorization.

30390044290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613653.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 30390044290 in words is "thirty billion, three hundred ninety million, forty-four thousand, two hundred ninety".