1439605943972 has 48 divisors (see below), whose sum is σ = 2958803715840. Its totient is φ = 599938607232.

The previous prime is 1439605943969. The next prime is 1439605943983. The reversal of 1439605943972 is 2793495069341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312793 + ... + 2145375.

It is an arithmetic number, because the mean of its divisors is an integer number (61641744080).

Almost surely, 2^{1439605943972} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1439605943972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479401857920).

1439605943972 is an abundant number, since it is smaller than the sum of its proper divisors (1519197771868).

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

1439605943972 is a wasteful number, since it uses less digits than its factorization.

1439605943972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834300 (or 834298 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 1439605943972 in words is "one trillion, four hundred thirty-nine billion, six hundred five million, nine hundred forty-three thousand, nine hundred seventy-two".