26312696420 has 24 divisors (see below), whose sum is σ = 55292308344. Its totient is φ = 10518288896.

The previous prime is 26312696401. The next prime is 26312696467. The reversal of 26312696420 is 2469621362.

It can be written as a sum of positive squares in 4 ways, for example, as 112741924 + 26199954496 = 10618^2 + 161864^2 .

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, 392519 + ... + 454638.

It is an arithmetic number, because the mean of its divisors is an integer number (2303846181).

Almost surely, 2^26312696420 is an apocalyptic number.

26312696420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26312696420 is an abundant number, since it is smaller than the sum of its proper divisors (28979611924).

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

26312696420 is a wasteful number, since it uses less digits than its factorization.

26312696420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848719 (or 848717 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 26312696420 in words is "twenty-six billion, three hundred twelve million, six hundred ninety-six thousand, four hundred twenty".