8484408040 has 64 divisors (see below), whose sum is σ = 19689557760. Its totient is φ = 3288595200.

The previous prime is 8484408007. The next prime is 8484408043. The reversal of 8484408040 is 408044848.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8484407984 and 8484408002.

It is not an unprimeable number, because it can be changed into a prime (8484408043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167539 + ... + 212221.

It is an arithmetic number, because the mean of its divisors is an integer number (307649340).

Almost surely, 2^8484408040 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 8484408040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9844778880).

8484408040 is an abundant number, since it is smaller than the sum of its proper divisors (11205149720).

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

8484408040 is a wasteful number, since it uses less digits than its factorization.

8484408040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44842 (or 44838 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 8484408040 is about 92110.8464840053. The cubic root of 8484408040 is about 2039.5789243696.

The spelling of 8484408040 in words is "eight billion, four hundred eighty-four million, four hundred eight thousand, forty".