27143730520 has 16 divisors (see below), whose sum is σ = 61073393760. Its totient is φ = 10857492192.

The previous prime is 27143730499. The next prime is 27143730553. The reversal of 27143730520 is 2503734172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339296592 + ... + 339296671.

It is an arithmetic number, because the mean of its divisors is an integer number (3817087110).

Almost surely, 2^27143730520 is an apocalyptic number.

27143730520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27143730520 is an abundant number, since it is smaller than the sum of its proper divisors (33929663240).

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

27143730520 is a wasteful number, since it uses less digits than its factorization.

27143730520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678593274 (or 678593270 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 27143730520 in words is "twenty-seven billion, one hundred forty-three million, seven hundred thirty thousand, five hundred twenty".