271645540 has 24 divisors (see below), whose sum is σ = 573878592. Its totient is φ = 108006240.

The previous prime is 271645519. The next prime is 271645553. The reversal of 271645540 is 45546172.

271645540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 271645496 and 271645505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37326 + ... + 44005.

It is an arithmetic number, because the mean of its divisors is an integer number (23911608).

Almost surely, 2^271645540 is an apocalyptic number.

271645540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271645540 is an abundant number, since it is smaller than the sum of its proper divisors (302233052).

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

271645540 is a wasteful number, since it uses less digits than its factorization.

271645540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81507 (or 81505 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 271645540 is about 16481.6728519893. The cubic root of 271645540 is about 647.6407886935.

The spelling of 271645540 in words is "two hundred seventy-one million, six hundred forty-five thousand, five hundred forty".