4045865472 has 240 divisors, whose sum is σ = 13411775520. Its totient is φ = 1161216000.

The previous prime is 4045865437. The next prime is 4045865501. The reversal of 4045865472 is 2745685404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960972 + ... + 965172.

It is an arithmetic number, because the mean of its divisors is an integer number (55882398).

Almost surely, 2^4045865472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6705887760).

4045865472 is an abundant number, since it is smaller than the sum of its proper divisors (9365910048).

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

4045865472 is a wasteful number, since it uses less digits than its factorization.

4045865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 4045865472 is about 63607.1180922387. The cubic root of 4045865472 is about 1593.4452503722.

The spelling of 4045865472 in words is "four billion, forty-five million, eight hundred sixty-five thousand, four hundred seventy-two".