1440538890594 has 16 divisors (see below), whose sum is σ = 3006342032832. Its totient is φ = 459302254928.

The previous prime is 1440538890569. The next prime is 1440538890643. The reversal of 1440538890594 is 4950988350441.

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, 5219343669 + ... + 5219343944.

It is an arithmetic number, because the mean of its divisors is an integer number (187896377052).

Almost surely, 2^{1440538890594} is an apocalyptic number.

1440538890594 is an abundant number, since it is smaller than the sum of its proper divisors (1565803142238).

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

1440538890594 is a wasteful number, since it uses less digits than its factorization.

1440538890594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438687641.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1440538890594 in words is "one trillion, four hundred forty billion, five hundred thirty-eight million, eight hundred ninety thousand, five hundred ninety-four".