30285731744 has 96 divisors (see below), whose sum is σ = 64897531776. Its totient is φ = 13856071680.

The previous prime is 30285731743. The next prime is 30285731843. The reversal of 30285731744 is 44713758203.

It is a super-3 number, since 3×30285731744³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30285731695 and 30285731704.

It is not an unprimeable number, because it can be changed into a prime (30285731743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6845117 + ... + 6849539.

It is an arithmetic number, because the mean of its divisors is an integer number (676015956).

Almost surely, 2^30285731744 is an apocalyptic number.

30285731744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30285731744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32448765888).

30285731744 is an abundant number, since it is smaller than the sum of its proper divisors (34611800032).

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

30285731744 is a wasteful number, since it uses less digits than its factorization.

30285731744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 30285731744 in words is "thirty billion, two hundred eighty-five million, seven hundred thirty-one thousand, seven hundred forty-four".