271533540 has 48 divisors (see below), whose sum is σ = 763596288. Its totient is φ = 72094464.

The previous prime is 271533527. The next prime is 271533547. The reversal of 271533540 is 45335172.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 271533498 and 271533507.

It is not an unprimeable number, because it can be changed into a prime (271533547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4269 + ... + 23691.

It is an arithmetic number, because the mean of its divisors is an integer number (15908256).

Almost surely, 2^271533540 is an apocalyptic number.

271533540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271533540 is an abundant number, since it is smaller than the sum of its proper divisors (492062748).

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

271533540 is a wasteful number, since it uses less digits than its factorization.

271533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668 (or 19666 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 271533540 is about 16478.2747883387. The cubic root of 271533540 is about 647.5517685934.

The spelling of 271533540 in words is "two hundred seventy-one million, five hundred thirty-three thousand, five hundred forty".