271142490 has 32 divisors (see below), whose sum is σ = 655718976. Its totient is φ = 71751680.

The previous prime is 271142447. The next prime is 271142497. The reversal of 271142490 is 94241172.

271142490 = 7362² + 7363² + ... + 7366².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (271142497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30567 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (20491218).

Almost surely, 2^271142490 is an apocalyptic number.

271142490 is an abundant number, since it is smaller than the sum of its proper divisors (384576486).

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

271142490 is a wasteful number, since it uses less digits than its factorization.

271142490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69134.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 271142490 is about 16466.4048899570. The cubic root of 271142490 is about 647.2407612466.

The spelling of 271142490 in words is "two hundred seventy-one million, one hundred forty-two thousand, four hundred ninety".