4045994264 has 64 divisors (see below), whose sum is σ = 8490209280. Its totient is φ = 1794960000.

The previous prime is 4045994263. The next prime is 4045994269. The reversal of 4045994264 is 4624995404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045994263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482669 + ... + 490979.

It is an arithmetic number, because the mean of its divisors is an integer number (132659520).

Almost surely, 2^4045994264 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 4045994264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4245104640).

4045994264 is an abundant number, since it is smaller than the sum of its proper divisors (4444215016).

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

4045994264 is a wasteful number, since it uses less digits than its factorization.

4045994264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 4045994264 is about 63608.1304865974. The cubic root of 4045994264 is about 1593.4621582356.

The spelling of 4045994264 in words is "four billion, forty-five million, nine hundred ninety-four thousand, two hundred sixty-four".