1280028576 has 48 divisors (see below), whose sum is σ = 3369177504. Its totient is φ = 425520384.

The previous prime is 1280028571. The next prime is 1280028577. The reversal of 1280028576 is 6758200821.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1280028571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17935 + ... + 53681.

It is an arithmetic number, because the mean of its divisors is an integer number (70191198).

Almost surely, 2^1280028576 is an apocalyptic number.

1280028576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1280028576 is an abundant number, since it is smaller than the sum of its proper divisors (2089148928).

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

1280028576 is a wasteful number, since it uses less digits than its factorization.

1280028576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36133 (or 36125 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1280028576 is about 35777.4869995085. The cubic root of 1280028576 is about 1085.7751264943.

The spelling of 1280028576 in words is "one billion, two hundred eighty million, twenty-eight thousand, five hundred seventy-six".