1282544064 has 56 divisors (see below), whose sum is σ = 3770447120. Its totient is φ = 427514112.

The previous prime is 1282544063. The next prime is 1282544069. The reversal of 1282544064 is 4604452821.

It is a super-2 number, since 2×1282544064² = 3289838552203272192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282544063) 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 7 ways as a sum of consecutive naturals, for example, 369379 + ... + 372834.

Almost surely, 2^1282544064 is an apocalyptic number.

It is an amenable number.

1282544064 is an abundant number, since it is smaller than the sum of its proper divisors (2487903056).

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

1282544064 is an equidigital number, since it uses as much as digits as its factorization.

1282544064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742234 (or 742218 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1282544064 is about 35812.6243662762. The cubic root of 1282544064 is about 1086.4859093541.

Adding to 1282544064 its reverse (4604452821), we get a palindrome (5886996885).

The spelling of 1282544064 in words is "one billion, two hundred eighty-two million, five hundred forty-four thousand, sixty-four".