8155788480 has 224 divisors, whose sum is σ = 32882311680. Its totient is φ = 1864166400.

The previous prime is 8155788479. The next prime is 8155788517. The reversal of 8155788480 is 848875518.

8155788480 is a `hidden beast` number, since 8 + 1 + 557 + 8 + 8 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6946 + ... + 127905.

Almost surely, 2^8155788480 is an apocalyptic number.

8155788480 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 8155788480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16441155840).

8155788480 is an abundant number, since it is smaller than the sum of its proper divisors (24726523200).

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

8155788480 is a wasteful number, since it uses less digits than its factorization.

8155788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134884 (or 134868 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The square root of 8155788480 is about 90309.4041614715. The cubic root of 8155788480 is about 2012.8990023532.

The spelling of 8155788480 in words is "eight billion, one hundred fifty-five million, seven hundred eighty-eight thousand, four hundred eighty".