271492992 has 128 divisors (see below), whose sum is σ = 848599200. Its totient is φ = 85155840.

The previous prime is 271492981. The next prime is 271492999. The reversal of 271492992 is 299294172.

271492992 is a `hidden beast` number, since 2 + 71 + 492 + 9 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×271492992² = 147416889410224128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271492999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56442 + ... + 61062.

Almost surely, 2^271492992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271492992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424299600).

271492992 is an abundant number, since it is smaller than the sum of its proper divisors (577106208).

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

271492992 is a wasteful number, since it uses less digits than its factorization.

271492992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661 (or 4643 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 271492992 is about 16477.0443951578. The cubic root of 271492992 is about 647.5195341026.

It can be divided in two parts, 271492 and 992, that added together give a square (272484 = 522²).

The spelling of 271492992 in words is "two hundred seventy-one million, four hundred ninety-two thousand, nine hundred ninety-two".