271668442 has 4 divisors (see below), whose sum is σ = 407502666. Its totient is φ = 135834220.

The previous prime is 271668437. The next prime is 271668443. The reversal of 271668442 is 244866172.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 270964521 + 703921 = 16461^2 + 839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 271668395 and 271668404.

It is not an unprimeable number, because it can be changed into a prime (271668443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67917109 + ... + 67917112.

Almost surely, 2^271668442 is an apocalyptic number.

271668442 is a deficient number, since it is larger than the sum of its proper divisors (135834224).

271668442 is a wasteful number, since it uses less digits than its factorization.

271668442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135834223.

The product of its digits is 129024, while the sum is 40.

The square root of 271668442 is about 16482.3676090542. The cubic root of 271668442 is about 647.6589887009.

The spelling of 271668442 in words is "two hundred seventy-one million, six hundred sixty-eight thousand, four hundred forty-two".