1440842601408 has 112 divisors (see below), whose sum is σ = 4546261224960. Its totient is φ = 393770640384.

The previous prime is 1440842601371. The next prime is 1440842601427. The reversal of 1440842601408 is 8041062480441.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1440842601408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23274643 + ... + 23336466.

It is an arithmetic number, because the mean of its divisors is an integer number (40591618080).

Almost surely, 2^{1440842601408} is an apocalyptic number.

It is an amenable number.

1440842601408 is an abundant number, since it is smaller than the sum of its proper divisors (3105418623552).

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

1440842601408 is a wasteful number, since it uses less digits than its factorization.

1440842601408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46611154 (or 46611144 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 1440842601408 in words is "one trillion, four hundred forty billion, eight hundred forty-two million, six hundred one thousand, four hundred eight".