4554440521 has 8 divisors (see below), whose sum is σ = 4615733160. Its totient is φ = 4493372928.

The previous prime is 4554440497. The next prime is 4554440537. The reversal of 4554440521 is 1250444554.

It can be written as a sum of positive squares in 4 ways, for example, as 22458121 + 4531982400 = 4739^2 + 67320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4554440521 - 2⁷ = 4554440393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4554440591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15316 + ... + 96661.

It is an arithmetic number, because the mean of its divisors is an integer number (576966645).

Almost surely, 2^4554440521 is an apocalyptic number.

It is an amenable number.

4554440521 is a deficient number, since it is larger than the sum of its proper divisors (61292639).

4554440521 is a wasteful number, since it uses less digits than its factorization.

4554440521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112523.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 4554440521 is about 67486.5951208090. The cubic root of 4554440521 is about 1657.5946826910.

The spelling of 4554440521 in words is "four billion, five hundred fifty-four million, four hundred forty thousand, five hundred twenty-one".