30894389824 has 63 divisors (see below), whose sum is σ = 62151827817. Its totient is φ = 15236976384.

The previous prime is 30894389807. The next prime is 30894389857. The reversal of 30894389824 is 42898349803.

The square root of 30894389824 is 175768.

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

It can be written as a sum of positive squares in only one way, i.e., 28103169600 + 2791220224 = 167640^2 + 52832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 178580202 + ... + 178580374.

Almost surely, 2^30894389824 is an apocalyptic number.

30894389824 is the 175768-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30894389824

30894389824 is an abundant number, since it is smaller than the sum of its proper divisors (31257437993).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30894389824 is an frugal number, since it uses more digits than its factorization.

30894389824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 30894389824 in words is "thirty billion, eight hundred ninety-four million, three hundred eighty-nine thousand, eight hundred twenty-four".