27452312500 has 84 divisors (see below), whose sum is σ = 60277978432. Its totient is φ = 10939500000.

The previous prime is 27452312471. The next prime is 27452312527. The reversal of 27452312500 is 521325472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20686837 + ... + 20688163.

Almost surely, 2^27452312500 is an apocalyptic number.

27452312500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27452312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30138989216).

27452312500 is an abundant number, since it is smaller than the sum of its proper divisors (32825665932).

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

27452312500 is an equidigital number, since it uses as much as digits as its factorization.

27452312500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 27452312500 its reverse (521325472), we get a palindrome (27973637972).

The spelling of 27452312500 in words is "twenty-seven billion, four hundred fifty-two million, three hundred twelve thousand, five hundred".