8051773440 has 208 divisors, whose sum is σ = 26656790400. Its totient is φ = 2072641536.

The previous prime is 8051773421. The next prime is 8051773447. The reversal of 8051773440 is 443771508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051773447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779501 + ... + 1784019.

Almost surely, 2^8051773440 is an apocalyptic number.

8051773440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8051773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13328395200).

8051773440 is an abundant number, since it is smaller than the sum of its proper divisors (18605016960).

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

8051773440 is a wasteful number, since it uses less digits than its factorization.

8051773440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 8051773440 is about 89731.6746751112. The cubic root of 8051773440 is about 2004.3051793990.

The spelling of 8051773440 in words is "eight billion, fifty-one million, seven hundred seventy-three thousand, four hundred forty".