26326543420 has 24 divisors (see below), whose sum is σ = 55295030448. Its totient is φ = 10528848000.

The previous prime is 26326543409. The next prime is 26326543433. The reversal of 26326543420 is 2434562362.

It is a self number, because there is not a number n which added to its sum of digits gives 26326543420.

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, 14895 + ... + 229945.

It is an arithmetic number, because the mean of its divisors is an integer number (2303959602).

Almost surely, 2^26326543420 is an apocalyptic number.

26326543420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26326543420 is an abundant number, since it is smaller than the sum of its proper divisors (28968487028).

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

26326543420 is a wasteful number, since it uses less digits than its factorization.

26326543420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221181 (or 221179 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 26326543420 in words is "twenty-six billion, three hundred twenty-six million, five hundred forty-three thousand, four hundred twenty".