8251237044 has 144 divisors (see below), whose sum is σ = 22291004736. Its totient is φ = 2667168000.

The previous prime is 8251237039. The next prime is 8251237091. The reversal of 8251237044 is 4407321528.

It is a happy number.

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

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, 7850319 + ... + 7851369.

It is an arithmetic number, because the mean of its divisors is an integer number (154798644).

Almost surely, 2^8251237044 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 8251237044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11145502368).

8251237044 is an abundant number, since it is smaller than the sum of its proper divisors (14039767692).

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

8251237044 is a wasteful number, since it uses less digits than its factorization.

8251237044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 8251237044 is about 90836.3200707735. The cubic root of 8251237044 is about 2020.7209990358.

The spelling of 8251237044 in words is "eight billion, two hundred fifty-one million, two hundred thirty-seven thousand, forty-four".