4505521376 has 72 divisors (see below), whose sum is σ = 9598047480. Its totient is φ = 2076129792.

The previous prime is 4505521351. The next prime is 4505521393. The reversal of 4505521376 is 6731255054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 829646 + ... + 835058.

It is an arithmetic number, because the mean of its divisors is an integer number (133306215).

Almost surely, 2^4505521376 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 4505521376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4799023740).

4505521376 is an abundant number, since it is smaller than the sum of its proper divisors (5092526104).

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

4505521376 is a wasteful number, since it uses less digits than its factorization.

4505521376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516 (or 5471 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 4505521376 is about 67123.1806159392. The cubic root of 4505521376 is about 1651.6385774310.

The spelling of 4505521376 in words is "four billion, five hundred five million, five hundred twenty-one thousand, three hundred seventy-six".