26631268180 has 48 divisors (see below), whose sum is σ = 61036992576. Its totient is φ = 9679783680.

The previous prime is 26631268171. The next prime is 26631268201. The reversal of 26631268180 is 8186213662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490552 + ... + 542128.

It is an arithmetic number, because the mean of its divisors is an integer number (1271604012).

Almost surely, 2^26631268180 is an apocalyptic number.

26631268180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26631268180 is an abundant number, since it is smaller than the sum of its proper divisors (34405724396).

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

26631268180 is a wasteful number, since it uses less digits than its factorization.

26631268180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53944 (or 53942 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 26631268180 in words is "twenty-six billion, six hundred thirty-one million, two hundred sixty-eight thousand, one hundred eighty".