2170702042272 has 192 divisors, whose sum is σ = 6620781404160. Its totient is φ = 690610136832.

The previous prime is 2170702042217. The next prime is 2170702042279. The reversal of 2170702042272 is 2722402070712.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2170702042279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9082773 + ... + 9318699.

It is an arithmetic number, because the mean of its divisors is an integer number (34483236480).

Almost surely, 2^{2170702042272} 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 2170702042272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3310390702080).

2170702042272 is an abundant number, since it is smaller than the sum of its proper divisors (4450079361888).

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

2170702042272 is a wasteful number, since it uses less digits than its factorization.

2170702042272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236432 (or 236418 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The spelling of 2170702042272 in words is "two trillion, one hundred seventy billion, seven hundred two million, forty-two thousand, two hundred seventy-two".