27143156352 has 256 divisors, whose sum is σ = 82633219200. Its totient is φ = 7820279808.

The previous prime is 27143156311. The next prime is 27143156371. The reversal of 27143156352 is 25365134172.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 27143156352.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19263424 + ... + 19264832.

Almost surely, 2^27143156352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27143156352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41316609600).

27143156352 is an abundant number, since it is smaller than the sum of its proper divisors (55490062848).

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

27143156352 is a wasteful number, since it uses less digits than its factorization.

27143156352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1671 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The spelling of 27143156352 in words is "twenty-seven billion, one hundred forty-three million, one hundred fifty-six thousand, three hundred fifty-two".