26215656846 has 16 divisors (see below), whose sum is σ = 52501889664. Its totient is φ = 8726789624.

The previous prime is 26215656829. The next prime is 26215656889. The reversal of 26215656846 is 64865651262.

It is a congruent number.

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, 2935836 + ... + 2944751.

It is an arithmetic number, because the mean of its divisors is an integer number (3281368104).

Almost surely, 2^26215656846 is an apocalyptic number.

26215656846 is an abundant number, since it is smaller than the sum of its proper divisors (26286232818).

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

26215656846 is a wasteful number, since it uses less digits than its factorization.

26215656846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881335.

The product of its digits is 4147200, while the sum is 51.

The spelling of 26215656846 in words is "twenty-six billion, two hundred fifteen million, six hundred fifty-six thousand, eight hundred forty-six".