280840004482 has 4 divisors (see below), whose sum is σ = 421260006726. Its totient is φ = 140420002240.

The previous prime is 280840004479. The next prime is 280840004509. The reversal of 280840004482 is 284400048082.

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., 152060222601 + 128779781881 = 389949^2 + 358859^2 .

It is a super-2 number, since 2×280840004482² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210001119 + ... + 70210001122.

Almost surely, 2^280840004482 is an apocalyptic number.

280840004482 is a deficient number, since it is larger than the sum of its proper divisors (140420002244).

280840004482 is a wasteful number, since it uses less digits than its factorization.

280840004482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140420002243.

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 280840004482 in words is "two hundred eighty billion, eight hundred forty million, four thousand, four hundred eighty-two".