4744684428 has 144 divisors (see below), whose sum is σ = 12973105152. Its totient is φ = 1343936000.

The previous prime is 4744684397. The next prime is 4744684499. The reversal of 4744684428 is 8244864474.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4121653 + ... + 4122803.

It is an arithmetic number, because the mean of its divisors is an integer number (90091008).

Almost surely, 2^4744684428 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 4744684428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486552576).

4744684428 is an abundant number, since it is smaller than the sum of its proper divisors (8228420724).

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

4744684428 is a wasteful number, since it uses less digits than its factorization.

4744684428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1351 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 51.

The square root of 4744684428 is about 68881.6697532805. The cubic root of 4744684428 is about 1680.3604229537.

The spelling of 4744684428 in words is "four billion, seven hundred forty-four million, six hundred eighty-four thousand, four hundred twenty-eight".