4243778924 has 48 divisors (see below), whose sum is σ = 9264143616. Its totient is φ = 1652529600.

The previous prime is 4243778873. The next prime is 4243778939. The reversal of 4243778924 is 4298773424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134962 + ... + 1138694.

It is an arithmetic number, because the mean of its divisors is an integer number (193002992).

Almost surely, 2^4243778924 is an apocalyptic number.

4243778924 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4243778924 is an abundant number, since it is smaller than the sum of its proper divisors (5020364692).

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

4243778924 is a wasteful number, since it uses less digits than its factorization.

4243778924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446 (or 7444 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 50.

The square root of 4243778924 is about 65144.2931038476. The cubic root of 4243778924 is about 1619.0151668011.

The spelling of 4243778924 in words is "four billion, two hundred forty-three million, seven hundred seventy-eight thousand, nine hundred twenty-four".