8103090840 has 256 divisors, whose sum is σ = 26780544000. Its totient is φ = 1949337600.

The previous prime is 8103090833. The next prime is 8103090869. The reversal of 8103090840 is 480903018.

It is a super-2 number, since 2×8103090840² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16502995 + ... + 16503485.

It is an arithmetic number, because the mean of its divisors is an integer number (104611500).

Almost surely, 2^8103090840 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 8103090840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13390272000).

8103090840 is an abundant number, since it is smaller than the sum of its proper divisors (18677453160).

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

8103090840 is a wasteful number, since it uses less digits than its factorization.

8103090840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8103090840 is about 90017.1696955642. The cubic root of 8103090840 is about 2008.5542634582.

Adding to 8103090840 its reverse (480903018), we get a palindrome (8583993858).

The spelling of 8103090840 in words is "eight billion, one hundred three million, ninety thousand, eight hundred forty".