4455744672 has 48 divisors (see below), whose sum is σ = 12099659040. Its totient is φ = 1434031872.

The previous prime is 4455744661. The next prime is 4455744677. The reversal of 4455744672 is 2764475544.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4455744677) by changing a digit.

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, 797458 + ... + 803025.

It is an arithmetic number, because the mean of its divisors is an integer number (252076230).

Almost surely, 2^4455744672 is an apocalyptic number.

It is an amenable number.

4455744672 is an abundant number, since it is smaller than the sum of its proper divisors (7643914368).

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

4455744672 is a wasteful number, since it uses less digits than its factorization.

4455744672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600525 (or 1600517 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 48.

The square root of 4455744672 is about 66751.3645703217. The cubic root of 4455744672 is about 1645.5336414719.

The spelling of 4455744672 in words is "four billion, four hundred fifty-five million, seven hundred forty-four thousand, six hundred seventy-two".