8365425144 has 128 divisors (see below), whose sum is σ = 23647334400. Its totient is φ = 2452101120.

The previous prime is 8365425083. The next prime is 8365425163. The reversal of 8365425144 is 4415245638.

It is a junction number, because it is equal to n+sod(n) for n = 8365425096 and 8365425105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355389 + ... + 378195.

It is an arithmetic number, because the mean of its divisors is an integer number (184744800).

Almost surely, 2^8365425144 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 8365425144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11823667200).

8365425144 is an abundant number, since it is smaller than the sum of its proper divisors (15281909256).

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

8365425144 is a wasteful number, since it uses less digits than its factorization.

8365425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22893 (or 22889 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 8365425144 is about 91462.6981014665. The cubic root of 8365425144 is about 2029.9998498710. Note that the first 3 decimals are identical.

The spelling of 8365425144 in words is "eight billion, three hundred sixty-five million, four hundred twenty-five thousand, one hundred forty-four".