30051440736 has 144 divisors (see below), whose sum is σ = 84865213440. Its totient is φ = 9307883520.

The previous prime is 30051440707. The next prime is 30051440743. The reversal of 30051440736 is 63704415003.

It is a junction number, because it is equal to n+sod(n) for n = 30051440697 and 30051440706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2184921 + ... + 2198631.

It is an arithmetic number, because the mean of its divisors is an integer number (589341760).

Almost surely, 2^30051440736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30051440736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42432606720).

30051440736 is an abundant number, since it is smaller than the sum of its proper divisors (54813772704).

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

30051440736 is a wasteful number, since it uses less digits than its factorization.

30051440736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13837 (or 13812 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 30051440736 its reverse (63704415003), we get a palindrome (93755855739).

The spelling of 30051440736 in words is "thirty billion, fifty-one million, four hundred forty thousand, seven hundred thirty-six".