27652916280 has 128 divisors (see below), whose sum is σ = 90548409600. Its totient is φ = 6700185600.

The previous prime is 27652916243. The next prime is 27652916281. The reversal of 27652916280 is 8261925672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27652916281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178176 + ... + 3186864.

It is an arithmetic number, because the mean of its divisors is an integer number (707409450).

Almost surely, 2^27652916280 is an apocalyptic number.

27652916280 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 27652916280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45274204800).

27652916280 is an abundant number, since it is smaller than the sum of its proper divisors (62895493320).

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

27652916280 is a wasteful number, since it uses less digits than its factorization.

27652916280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 27652916280 in words is "twenty-seven billion, six hundred fifty-two million, nine hundred sixteen thousand, two hundred eighty".