1972144702592 has 64 divisors (see below), whose sum is σ = 3985620085440. Its totient is φ = 971841991680.

The previous prime is 1972144702579. The next prime is 1972144702601. The reversal of 1972144702592 is 2952074412791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26836523 + ... + 26909909.

It is an arithmetic number, because the mean of its divisors is an integer number (62275313835).

Almost surely, 2^{1972144702592} 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 1972144702592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992810042720).

1972144702592 is an abundant number, since it is smaller than the sum of its proper divisors (2013475382848).

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

1972144702592 is an equidigital number, since it uses as much as digits as its factorization.

1972144702592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76429 (or 76417 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 1972144702592 in words is "one trillion, nine hundred seventy-two billion, one hundred forty-four million, seven hundred two thousand, five hundred ninety-two".