4450057644 has 24 divisors (see below), whose sum is σ = 10388083888. Its totient is φ = 1482693120.

The previous prime is 4450057639. The next prime is 4450057681. The reversal of 4450057644 is 4467500544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53917 + ... + 108660.

Almost surely, 2^4450057644 is an apocalyptic number.

It is an amenable number.

4450057644 is an abundant number, since it is smaller than the sum of its proper divisors (5938026244).

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

4450057644 is a wasteful number, since it uses less digits than its factorization.

4450057644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164865 (or 164863 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 4450057644 is about 66708.7523792793. The cubic root of 4450057644 is about 1644.8332587219.

The spelling of 4450057644 in words is "four billion, four hundred fifty million, fifty-seven thousand, six hundred forty-four".