4544780772 has 216 divisors, whose sum is σ = 13591855200. Its totient is φ = 1175150592.

The previous prime is 4544780771. The next prime is 4544780777. The reversal of 4544780772 is 2770874454.

It is not an unprimeable number, because it can be changed into a prime (4544780771) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5909604 + ... + 5910372.

Almost surely, 2^4544780772 is an apocalyptic number.

4544780772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4544780772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6795927600).

4544780772 is an abundant number, since it is smaller than the sum of its proper divisors (9047074428).

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

4544780772 is a wasteful number, since it uses less digits than its factorization.

4544780772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 48.

The square root of 4544780772 is about 67414.9892234657. The cubic root of 4544780772 is about 1656.4219603737.

The spelling of 4544780772 in words is "four billion, five hundred forty-four million, seven hundred eighty thousand, seven hundred seventy-two".