26727732492 has 48 divisors (see below), whose sum is σ = 64654947840. Its totient is φ = 8583398208.

The previous prime is 26727732491. The next prime is 26727732541. The reversal of 26727732492 is 29423772762.

It is not an unprimeable number, because it can be changed into a prime (26727732491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78183 + ... + 244065.

It is an arithmetic number, because the mean of its divisors is an integer number (1346978080).

Almost surely, 2^26727732492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26727732492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32327473920).

26727732492 is an abundant number, since it is smaller than the sum of its proper divisors (37927215348).

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

26727732492 is a wasteful number, since it uses less digits than its factorization.

26727732492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166382 (or 166380 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 51.

The spelling of 26727732492 in words is "twenty-six billion, seven hundred twenty-seven million, seven hundred thirty-two thousand, four hundred ninety-two".