30490747456 has 189 divisors, whose sum is σ = 69440831019. Its totient is φ = 13276403712.

The previous prime is 30490747421. The next prime is 30490747487. The reversal of 30490747456 is 65474709403.

The square root of 30490747456 is 174616.

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 3067387456 + 27423360000 = 55384^2 + 165600^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 417681436 + ... + 417681508.

Almost surely, 2^30490747456 is an apocalyptic number.

30490747456 is the 174616-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30490747456

30490747456 is an abundant number, since it is smaller than the sum of its proper divisors (38950083563).

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

30490747456 is an equidigital number, since it uses as much as digits as its factorization.

30490747456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

Multiplying 30490747456 by its sum of digits (49), we get a square (1494046625344 = 1222312²).

The spelling of 30490747456 in words is "thirty billion, four hundred ninety million, seven hundred forty-seven thousand, four hundred fifty-six".