271655540 has 96 divisors (see below), whose sum is σ = 653291520. Its totient is φ = 94058496.

The previous prime is 271655539. The next prime is 271655551. The reversal of 271655540 is 45556172.

271655540 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

271655540 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 271655540.

It is a congruent number.

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, 627164 + ... + 627596.

It is an arithmetic number, because the mean of its divisors is an integer number (6805120).

Almost surely, 2^271655540 is an apocalyptic number.

271655540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271655540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326645760).

271655540 is an abundant number, since it is smaller than the sum of its proper divisors (381635980).

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

271655540 is a wasteful number, since it uses less digits than its factorization.

271655540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 271655540 is about 16481.9762164614. The cubic root of 271655540 is about 647.6487357267.

The spelling of 271655540 in words is "two hundred seventy-one million, six hundred fifty-five thousand, five hundred forty".