30265250720 has 96 divisors (see below), whose sum is σ = 74257622208. Its totient is φ = 11647899648.

The previous prime is 30265250693. The next prime is 30265250723. The reversal of 30265250720 is 2705256203.

It is a super-2 number, since 2×30265250720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (30265250723) 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, 428132 + ... + 493788.

It is an arithmetic number, because the mean of its divisors is an integer number (773516898).

Almost surely, 2^30265250720 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 30265250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37128811104).

30265250720 is an abundant number, since it is smaller than the sum of its proper divisors (43992371488).

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

30265250720 is a wasteful number, since it uses less digits than its factorization.

30265250720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65782 (or 65774 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 30265250720 in words is "thirty billion, two hundred sixty-five million, two hundred fifty thousand, seven hundred twenty".