26430831330 has 64 divisors (see below), whose sum is σ = 64371283200. Its totient is φ = 6944215040.

The previous prime is 26430831313. The next prime is 26430831331. The reversal of 26430831330 is 3313803462.

It is a junction number, because it is equal to n+sod(n) for n = 26430831291 and 26430831300.

It is not an unprimeable number, because it can be changed into a prime (26430831331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4020286 + ... + 4026854.

It is an arithmetic number, because the mean of its divisors is an integer number (1005801300).

Almost surely, 2^26430831330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26430831330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32185641600).

26430831330 is an abundant number, since it is smaller than the sum of its proper divisors (37940451870).

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

26430831330 is a wasteful number, since it uses less digits than its factorization.

26430831330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 26430831330 in words is "twenty-six billion, four hundred thirty million, eight hundred thirty-one thousand, three hundred thirty".