1286160480 has 144 divisors (see below), whose sum is σ = 4788083664. Its totient is φ = 311792640.

The previous prime is 1286160439. The next prime is 1286160481. The reversal of 1286160480 is 840616821.

1286160480 is a `hidden beast` number, since 12 + 8 + 6 + 160 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 (1286160481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24759 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (33250581).

Almost surely, 2^1286160480 is an apocalyptic number.

1286160480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1286160480 is an abundant number, since it is smaller than the sum of its proper divisors (3501923184).

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

1286160480 is a wasteful number, since it uses less digits than its factorization.

1286160480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81229 (or 81218 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1286160480 is about 35863.0796223637. The cubic root of 1286160480 is about 1087.5061466161.

The spelling of 1286160480 in words is "one billion, two hundred eighty-six million, one hundred sixty thousand, four hundred eighty".