271020421356804 has 72 divisors (see below), whose sum is σ = 782975756396288. Its totient is φ = 77431649483520.

The previous prime is 271020421356803. The next prime is 271020421356823. The reversal of 271020421356804 is 408653124020172.

271020421356804 is a `hidden beast` number, since 2 + 7 + 10 + 20 + 42 + 13 + 568 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 271020421356804.

It is not an unprimeable number, because it can be changed into a prime (271020421356803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12045157 + ... + 26213100.

Almost surely, 2^{271020421356804} is an apocalyptic number.

It is an amenable number.

271020421356804 is an abundant number, since it is smaller than the sum of its proper divisors (511955335039484).

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

271020421356804 is a wasteful number, since it uses less digits than its factorization.

271020421356804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38286385 (or 38286380 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

Adding to 271020421356804 its reverse (408653124020172), we get a palindrome (679673545376976).

The spelling of 271020421356804 in words is "two hundred seventy-one trillion, twenty billion, four hundred twenty-one million, three hundred fifty-six thousand, eight hundred four".