4451020144 has 20 divisors (see below), whose sum is σ = 8629107424. Its totient is φ = 2224153728.

The previous prime is 4451020129. The next prime is 4451020151. The reversal of 4451020144 is 4410201544.

It is a super-4 number, since 4×4451020144⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57432 + ... + 110455.

Almost surely, 2^4451020144 is an apocalyptic number.

It is an amenable number.

4451020144 is a deficient number, since it is larger than the sum of its proper divisors (4178087280).

4451020144 is a wasteful number, since it uses less digits than its factorization.

4451020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169552 (or 169546 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4451020144 is about 66715.9661850145. The cubic root of 4451020144 is about 1644.9518368027.

Adding to 4451020144 its reverse (4410201544), we get a palindrome (8861221688).

The spelling of 4451020144 in words is "four billion, four hundred fifty-one million, twenty thousand, one hundred forty-four".