26981532 has 48 divisors (see below), whose sum is σ = 72217600. Its totient is φ = 8702640.

The previous prime is 26981519. The next prime is 26981543. The reversal of 26981532 is 23518962.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 682 + ... + 7377.

Almost surely, 2^26981532 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 26981532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36108800).

26981532 is an abundant number, since it is smaller than the sum of its proper divisors (45236068).

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

26981532 is a wasteful number, since it uses less digits than its factorization.

26981532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103 (or 8095 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 26981532 is about 5194.3750345927. The cubic root of 26981532 is about 299.9315843989.

The spelling of 26981532 in words is "twenty-six million, nine hundred eighty-one thousand, five hundred thirty-two".