271187401440 has 48 divisors (see below), whose sum is σ = 854240316048. Its totient is φ = 72316640256.

The previous prime is 271187401423. The next prime is 271187401453. The reversal of 271187401440 is 44104781172.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282486397 + ... + 282487356.

It is an arithmetic number, because the mean of its divisors is an integer number (17796673251).

Almost surely, 2^271187401440 is an apocalyptic number.

271187401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271187401440 is an abundant number, since it is smaller than the sum of its proper divisors (583052914608).

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

271187401440 is a wasteful number, since it uses less digits than its factorization.

271187401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564973771 (or 564973763 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The spelling of 271187401440 in words is "two hundred seventy-one billion, one hundred eighty-seven million, four hundred one thousand, four hundred forty".