27272818140 has 48 divisors (see below), whose sum is σ = 80855887392. Its totient is φ = 6844942336.

The previous prime is 27272818127. The next prime is 27272818147. The reversal of 27272818140 is 4181827272.

It is a junction number, because it is equal to n+sod(n) for n = 27272818092 and 27272818101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272818147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13368009 + ... + 13370048.

It is an arithmetic number, because the mean of its divisors is an integer number (1684497654).

Almost surely, 2^27272818140 is an apocalyptic number.

27272818140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27272818140 is an abundant number, since it is smaller than the sum of its proper divisors (53583069252).

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

27272818140 is a wasteful number, since it uses less digits than its factorization.

27272818140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738086 (or 26738084 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 27272818140 in words is "twenty-seven billion, two hundred seventy-two million, eight hundred eighteen thousand, one hundred forty".