30025940688436 has 144 divisors (see below), whose sum is σ = 67784785371072. Its totient is φ = 11504829772800.

The previous prime is 30025940688413. The next prime is 30025940688437. The reversal of 30025940688436 is 63488604952003.

It is a super-2 number, since 2×30025940688436² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025940688437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1084072540 + ... + 1084100236.

It is an arithmetic number, because the mean of its divisors is an integer number (470727676188).

Almost surely, 2^{30025940688436} 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 30025940688436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33892392685536).

30025940688436 is an abundant number, since it is smaller than the sum of its proper divisors (37758844682636).

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

30025940688436 is a wasteful number, since it uses less digits than its factorization.

30025940688436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36030 (or 36021 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 58.

The spelling of 30025940688436 in words is "thirty trillion, twenty-five billion, nine hundred forty million, six hundred eighty-eight thousand, four hundred thirty-six".