1440020883984 has 40 divisors (see below), whose sum is σ = 3721836697920. Its totient is φ = 479776929408.

The previous prime is 1440020883947. The next prime is 1440020883997. The reversal of 1440020883984 is 4893880200441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087279 + ... + 7287630.

It is an arithmetic number, because the mean of its divisors is an integer number (93045917448).

Almost surely, 2^{1440020883984} is an apocalyptic number.

It is an amenable number.

1440020883984 is an abundant number, since it is smaller than the sum of its proper divisors (2281815813936).

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

1440020883984 is a wasteful number, since it uses less digits than its factorization.

1440020883984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14377007 (or 14377001 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 1440020883984 in words is "one trillion, four hundred forty billion, twenty million, eight hundred eighty-three thousand, nine hundred eighty-four".