1440655206856 has 16 divisors (see below), whose sum is σ = 2701288574640. Its totient is φ = 720311586960.

The previous prime is 1440655206811. The next prime is 1440655206901. The reversal of 1440655206856 is 6586025560441.

It is an interprime number because it is at equal distance from previous prime (1440655206811) and next prime (1440655206901).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615386 + ... + 2343241.

It is an arithmetic number, because the mean of its divisors is an integer number (168830535915).

Almost surely, 2^{1440655206856} is an apocalyptic number.

It is an amenable number.

1440655206856 is a deficient number, since it is larger than the sum of its proper divisors (1260633367784).

1440655206856 is a wasteful number, since it uses less digits than its factorization.

1440655206856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004124 (or 4004120 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 52.

The spelling of 1440655206856 in words is "one trillion, four hundred forty billion, six hundred fifty-five million, two hundred six thousand, eight hundred fifty-six".