4242778052 has 24 divisors (see below), whose sum is σ = 7819442400. Its totient is φ = 2008760256.

The previous prime is 4242777997. The next prime is 4242778073. The reversal of 4242778052 is 2508772424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158024 + ... + 182912.

It is an arithmetic number, because the mean of its divisors is an integer number (325810100).

Almost surely, 2^4242778052 is an apocalyptic number.

It is an amenable number.

4242778052 is a deficient number, since it is larger than the sum of its proper divisors (3576664348).

4242778052 is a wasteful number, since it uses less digits than its factorization.

4242778052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155 (or 27153 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 4242778052 is about 65136.6106886135. The cubic root of 4242778052 is about 1618.8878781759.

The spelling of 4242778052 in words is "four billion, two hundred forty-two million, seven hundred seventy-eight thousand, fifty-two".