4428972416 has 32 divisors (see below), whose sum is σ = 9625468680. Its totient is φ = 2013168640.

The previous prime is 4428972377. The next prime is 4428972433. The reversal of 4428972416 is 6142798244.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1571381 + ... + 1574196.

Almost surely, 2^4428972416 is an apocalyptic number.

It is an amenable number.

4428972416 is an abundant number, since it is smaller than the sum of its proper divisors (5196496264).

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

4428972416 is a wasteful number, since it uses less digits than its factorization.

4428972416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145602 (or 3145590 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 4428972416 is about 66550.5252871831. The cubic root of 4428972416 is about 1642.2312995363.

The spelling of 4428972416 in words is "four billion, four hundred twenty-eight million, nine hundred seventy-two thousand, four hundred sixteen".