4544251220 has 48 divisors (see below), whose sum is σ = 9964176768. Its totient is φ = 1737563520.

The previous prime is 4544251211. The next prime is 4544251253. The reversal of 4544251220 is 221524454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409210 + ... + 1412430.

It is an arithmetic number, because the mean of its divisors is an integer number (207587016).

Almost surely, 2^4544251220 is an apocalyptic number.

It is an amenable number.

4544251220 is an abundant number, since it is smaller than the sum of its proper divisors (5419925548).

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

4544251220 is a wasteful number, since it uses less digits than its factorization.

4544251220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320 (or 6318 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4544251220 is about 67411.0615552077. The cubic root of 4544251220 is about 1656.3576231572.

Adding to 4544251220 its reverse (221524454), we get a palindrome (4765775674).

The spelling of 4544251220 in words is "four billion, five hundred forty-four million, two hundred fifty-one thousand, two hundred twenty".