30251746960 has 40 divisors (see below), whose sum is σ = 71060436216. Its totient is φ = 11975946240.

The previous prime is 30251746951. The next prime is 30251746963. The reversal of 30251746960 is 6964715203.

It can be written as a sum of positive squares in 4 ways, for example, as 8869118976 + 21382627984 = 94176^2 + 146228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (30251746963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941451 + ... + 1956970.

Almost surely, 2^30251746960 is an apocalyptic number.

It is an amenable number.

30251746960 is an abundant number, since it is smaller than the sum of its proper divisors (40808689256).

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

30251746960 is a wasteful number, since it uses less digits than its factorization.

30251746960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898531 (or 3898525 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 30251746960 in words is "thirty billion, two hundred fifty-one million, seven hundred forty-six thousand, nine hundred sixty".