30494938384 has 45 divisors (see below), whose sum is σ = 59686847983. Its totient is φ = 15093447296.

The previous prime is 30494938381. The next prime is 30494938427. The reversal of 30494938384 is 48383949403.

It is a happy number.

The square root of 30494938384 is 174628.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 402403600 + 30092534784 = 20060^2 + 173472^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30494938381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104078142 + ... + 104078434.

Almost surely, 2^30494938384 is an apocalyptic number.

30494938384 is the 174628-th square number.

It is an amenable number.

30494938384 is a deficient number, since it is larger than the sum of its proper divisors (29191909599).

30494938384 is an frugal number, since it uses more digits than its factorization.

30494938384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 30494938384 in words is "thirty billion, four hundred ninety-four million, nine hundred thirty-eight thousand, three hundred eighty-four".