271273840 has 40 divisors (see below), whose sum is σ = 639365328. Its totient is φ = 107020800.

The previous prime is 271273819. The next prime is 271273897. The reversal of 271273840 is 48372172.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 271273796 and 271273805.

It is a congruent number.

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, 17386 + ... + 29065.

Almost surely, 2^271273840 is an apocalyptic number.

271273840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271273840 is an abundant number, since it is smaller than the sum of its proper divisors (368091488).

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

271273840 is a wasteful number, since it uses less digits than its factorization.

271273840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46537 (or 46531 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 271273840 is about 16470.3928307736. The cubic root of 271273840 is about 647.3452590080.

The spelling of 271273840 in words is "two hundred seventy-one million, two hundred seventy-three thousand, eight hundred forty".