271284729920 has 112 divisors (see below), whose sum is σ = 701932454400. Its totient is φ = 99486351360.

The previous prime is 271284729883. The next prime is 271284729929. The reversal of 271284729920 is 29927482172.

It is not an unprimeable number, because it can be changed into a prime (271284729929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531185 + ... + 908144.

Almost surely, 2^271284729920 is an apocalyptic number.

271284729920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271284729920 is an abundant number, since it is smaller than the sum of its proper divisors (430647724480).

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

271284729920 is a wasteful number, since it uses less digits than its factorization.

271284729920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439396 (or 1439386 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 271284729920 in words is "two hundred seventy-one billion, two hundred eighty-four million, seven hundred twenty-nine thousand, nine hundred twenty".