4390836480 has 216 divisors, whose sum is σ = 15330821688. Its totient is φ = 1160183808.

The previous prime is 4390836479. The next prime is 4390836487. The reversal of 4390836480 is 846380934.

4390836480 is a `hidden beast` number, since 4 + 3 + 90 + 83 + 6 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 479084544 + 3911751936 = 21888^2 + 62544^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4390836487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300074 + ... + 1303446.

Almost surely, 2^4390836480 is an apocalyptic number.

4390836480 is a gapful number since it is divisible by the number (40) 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 4390836480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7665410844).

4390836480 is an abundant number, since it is smaller than the sum of its proper divisors (10939985208).

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

4390836480 is a wasteful number, since it uses less digits than its factorization.

4390836480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4390836480 is about 66263.3871757247. The cubic root of 4390836480 is about 1637.5041950051.

The spelling of 4390836480 in words is "four billion, three hundred ninety million, eight hundred thirty-six thousand, four hundred eighty".