27229173480 has 96 divisors (see below), whose sum is σ = 88602789600. Its totient is φ = 7252253568.

The previous prime is 27229173463. The next prime is 27229173541. The reversal of 27229173480 is 8437192272.

27229173480 is a `hidden beast` number, since 272 + 29 + 17 + 348 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251991 + ... + 343449.

It is an arithmetic number, because the mean of its divisors is an integer number (922945725).

Almost surely, 2^27229173480 is an apocalyptic number.

27229173480 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 27229173480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44301394800).

27229173480 is an abundant number, since it is smaller than the sum of its proper divisors (61373616120).

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

27229173480 is a wasteful number, since it uses less digits than its factorization.

27229173480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92303 (or 92296 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27229173480 in words is "twenty-seven billion, two hundred twenty-nine million, one hundred seventy-three thousand, four hundred eighty".