26430243530 has 16 divisors (see below), whose sum is σ = 47595336264. Its totient is φ = 10567453440.

The previous prime is 26430243481. The next prime is 26430243551. The reversal of 26430243530 is 3534203462.

It can be written as a sum of positive squares in 4 ways, for example, as 15272757889 + 11157485641 = 123583^2 + 105629^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 556547 + ... + 602166.

Almost surely, 2^26430243530 is an apocalyptic number.

26430243530 is a deficient number, since it is larger than the sum of its proper divisors (21165092734).

26430243530 is a wasteful number, since it uses less digits than its factorization.

26430243530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161001.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 26430243530 its reverse (3534203462), we get a palindrome (29964446992).

The spelling of 26430243530 in words is "twenty-six billion, four hundred thirty million, two hundred forty-three thousand, five hundred thirty".