2172733252144 has 240 divisors, whose sum is σ = 5465900826624. Its totient is φ = 818165836800.

The previous prime is 2172733252141. The next prime is 2172733252213. The reversal of 2172733252144 is 4412523372712.

It is a self number, because there is not a number n which added to its sum of digits gives 2172733252144.

It is not an unprimeable number, because it can be changed into a prime (2172733252141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35762497 + ... + 35823199.

Almost surely, 2^{2172733252144} 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 2172733252144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2732950413312).

2172733252144 is an abundant number, since it is smaller than the sum of its proper divisors (3293167574480).

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

2172733252144 is a wasteful number, since it uses less digits than its factorization.

2172733252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60836 (or 60817 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 2172733252144 in words is "two trillion, one hundred seventy-two billion, seven hundred thirty-three million, two hundred fifty-two thousand, one hundred forty-four".