8150538240 has 288 divisors, whose sum is σ = 30425718960. Its totient is φ = 2005991424.

The previous prime is 8150538211. The next prime is 8150538287. The reversal of 8150538240 is 428350518.

It is a happy number.

8150538240 is a `hidden beast` number, since 81 + 5 + 0 + 538 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 8150538195 and 8150538204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1194679 + ... + 1201481.

Almost surely, 2^8150538240 is an apocalyptic number.

8150538240 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 8150538240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15212859480).

8150538240 is an abundant number, since it is smaller than the sum of its proper divisors (22275180720).

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

8150538240 is a wasteful number, since it uses less digits than its factorization.

8150538240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849 (or 6826 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8150538240 is about 90280.3314127723. The cubic root of 8150538240 is about 2012.4669790758.

Adding to 8150538240 its reverse (428350518), we get a palindrome (8578888758).

The spelling of 8150538240 in words is "eight billion, one hundred fifty million, five hundred thirty-eight thousand, two hundred forty".