26232434520 has 32 divisors (see below), whose sum is σ = 78697303920. Its totient is φ = 6995315840.

The previous prime is 26232434509. The next prime is 26232434537. The reversal of 26232434520 is 2543423262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109301691 + ... + 109301930.

Almost surely, 2^26232434520 is an apocalyptic number.

26232434520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26232434520 is an abundant number, since it is smaller than the sum of its proper divisors (52464869400).

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

26232434520 is a wasteful number, since it uses less digits than its factorization.

26232434520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218603635 (or 218603631 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 26232434520 its reverse (2543423262), we get a palindrome (28775857782).

The spelling of 26232434520 in words is "twenty-six billion, two hundred thirty-two million, four hundred thirty-four thousand, five hundred twenty".