4521804056 has 32 divisors (see below), whose sum is σ = 10570452480. Its totient is φ = 1761741600.

The previous prime is 4521804047. The next prime is 4521804103. The reversal of 4521804056 is 6504081254.

It is a super-2 number, since 2×4521804056² = 40893423841716102272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669680 + ... + 3670911.

It is an arithmetic number, because the mean of its divisors is an integer number (330326640).

Almost surely, 2^4521804056 is an apocalyptic number.

It is an amenable number.

4521804056 is an abundant number, since it is smaller than the sum of its proper divisors (6048648424).

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

4521804056 is a wasteful number, since it uses less digits than its factorization.

4521804056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340615 (or 7340611 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 4521804056 is about 67244.3607747148. The cubic root of 4521804056 is about 1653.6258258461.

The spelling of 4521804056 in words is "four billion, five hundred twenty-one million, eight hundred four thousand, fifty-six".