2291272744350 has 96 divisors (see below), whose sum is σ = 5788303881984. Its totient is φ = 599718873600.

The previous prime is 2291272744331. The next prime is 2291272744361. The reversal of 2291272744350 is 534472721922.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2291272744350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1089645 + ... + 2402055.

It is an arithmetic number, because the mean of its divisors is an integer number (60294832104).

Almost surely, 2^{2291272744350} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291272744350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894151940992).

2291272744350 is an abundant number, since it is smaller than the sum of its proper divisors (3497031137634).

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

2291272744350 is a wasteful number, since it uses less digits than its factorization.

2291272744350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312642 (or 1312637 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 2291272744350 in words is "two trillion, two hundred ninety-one billion, two hundred seventy-two million, seven hundred forty-four thousand, three hundred fifty".