2049640222272 has 112 divisors (see below), whose sum is σ = 5576968832832. Its totient is φ = 664057538560.

The previous prime is 2049640222261. The next prime is 2049640222327. The reversal of 2049640222272 is 2722220469402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147622 + ... + 2030042.

Almost surely, 2^{2049640222272} 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 2049640222272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2788484416416).

2049640222272 is an abundant number, since it is smaller than the sum of its proper divisors (3527328610560).

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

2049640222272 is a wasteful number, since it uses less digits than its factorization.

2049640222272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882596 (or 1882586 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 2049640222272 in words is "two trillion, forty-nine billion, six hundred forty million, two hundred twenty-two thousand, two hundred seventy-two".