1282444656 has 20 divisors (see below), whose sum is σ = 3312982152. Its totient is φ = 427481536.

The previous prime is 1282444643. The next prime is 1282444711. The reversal of 1282444656 is 6564442821.

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 3 ways as a sum of consecutive naturals, for example, 13358751 + ... + 13358846.

Almost surely, 2^1282444656 is an apocalyptic number.

1282444656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1282444656 is an abundant number, since it is smaller than the sum of its proper divisors (2030537496).

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

1282444656 is a wasteful number, since it uses less digits than its factorization.

1282444656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26717608 (or 26717602 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 1282444656 is about 35811.2364489136. The cubic root of 1282444656 is about 1086.4578380166.

The spelling of 1282444656 in words is "one billion, two hundred eighty-two million, four hundred forty-four thousand, six hundred fifty-six".