8102404080 has 200 divisors, whose sum is σ = 29622397200. Its totient is φ = 2046892032.

The previous prime is 8102404069. The next prime is 8102404081. The reversal of 8102404080 is 804042018.

8102404080 is a `hidden beast` number, since 8 + 10 + 240 + 408 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102404081) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90216 + ... + 156024.

It is an arithmetic number, because the mean of its divisors is an integer number (148111986).

Almost surely, 2^8102404080 is an apocalyptic number.

8102404080 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 8102404080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14811198600).

8102404080 is an abundant number, since it is smaller than the sum of its proper divisors (21519993120).

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

8102404080 is a wasteful number, since it uses less digits than its factorization.

8102404080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65853 (or 65838 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 8102404080 is about 90013.3550091318. The cubic root of 8102404080 is about 2008.4975182925.

Adding to 8102404080 its reverse (804042018), we get a palindrome (8906446098).

The spelling of 8102404080 in words is "eight billion, one hundred two million, four hundred four thousand, eighty".