4778994332 has 48 divisors (see below), whose sum is σ = 9929008320. Its totient is φ = 1969228800.

The previous prime is 4778994331. The next prime is 4778994343. The reversal of 4778994332 is 2334998774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778994331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183482 + ... + 207902.

It is an arithmetic number, because the mean of its divisors is an integer number (206854340).

Almost surely, 2^4778994332 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 4778994332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4964504160).

4778994332 is an abundant number, since it is smaller than the sum of its proper divisors (5150013988).

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

4778994332 is a wasteful number, since it uses less digits than its factorization.

4778994332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24702 (or 24700 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 56.

The square root of 4778994332 is about 69130.2707357638. The cubic root of 4778994332 is about 1684.4010564876.

The spelling of 4778994332 in words is "four billion, seven hundred seventy-eight million, nine hundred ninety-four thousand, three hundred thirty-two".