27252975500 has 48 divisors (see below), whose sum is σ = 59598739200. Its totient is φ = 10886860800.

The previous prime is 27252975493. The next prime is 27252975523. The reversal of 27252975500 is 557925272.

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, 349061 + ... + 419939.

It is an arithmetic number, because the mean of its divisors is an integer number (1241640400).

Almost surely, 2^27252975500 is an apocalyptic number.

27252975500 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 27252975500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29799369600).

27252975500 is an abundant number, since it is smaller than the sum of its proper divisors (32345763700).

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

27252975500 is a wasteful number, since it uses less digits than its factorization.

27252975500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71667 (or 71655 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 27252975500 in words is "twenty-seven billion, two hundred fifty-two million, nine hundred seventy-five thousand, five hundred".