10243772244 has 60 divisors (see below), whose sum is σ = 26829202708. Its totient is φ = 3408220800.

The previous prime is 10243772207. The next prime is 10243772251. The reversal of 10243772244 is 44227734201.

It can be written as a sum of positive squares in 2 ways, for example, as 7310250000 + 2933522244 = 85500^2 + 54162^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10243772199 and 10243772208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146064 + ... + 204504.

Almost surely, 2^10243772244 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 10243772244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13414601354).

10243772244 is an abundant number, since it is smaller than the sum of its proper divisors (16585430464).

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

10243772244 is a wasteful number, since it uses less digits than its factorization.

10243772244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58998 (or 58987 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 10243772244 in words is "ten billion, two hundred forty-three million, seven hundred seventy-two thousand, two hundred forty-four".