30026521434 has 64 divisors (see below), whose sum is σ = 73977200640. Its totient is φ = 7912036800.

The previous prime is 30026521433. The next prime is 30026521451. The reversal of 30026521434 is 43412562003.

It is a super-2 number, since 2×30026521434² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30026521433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604557 + ... + 652335.

It is an arithmetic number, because the mean of its divisors is an integer number (1155893760).

Almost surely, 2^30026521434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30026521434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36988600320).

30026521434 is an abundant number, since it is smaller than the sum of its proper divisors (43950679206).

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

30026521434 is a wasteful number, since it uses less digits than its factorization.

30026521434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48955.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 30026521434 in words is "thirty billion, twenty-six million, five hundred twenty-one thousand, four hundred thirty-four".