8534405880 has 576 divisors, whose sum is σ = 37540601280. Its totient is φ = 1636208640.

The previous prime is 8534405857. The next prime is 8534405897. The reversal of 8534405880 is 885044358.

8534405880 is a `hidden beast` number, since 85 + 3 + 440 + 58 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 143 ways as a sum of consecutive naturals, for example, 3962884 + ... + 3965036.

It is an arithmetic number, because the mean of its divisors is an integer number (65174655).

Almost surely, 2^8534405880 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 8534405880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18770300640).

8534405880 is an abundant number, since it is smaller than the sum of its proper divisors (29006195400).

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

8534405880 is a wasteful number, since it uses less digits than its factorization.

8534405880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 8534405880 is about 92381.8482170605. The cubic root of 8534405880 is about 2043.5774309865.

It can be divided in two parts, 8534 and 405880, that added together give a palindrome (414414).

The spelling of 8534405880 in words is "eight billion, five hundred thirty-four million, four hundred five thousand, eight hundred eighty".