5245442642 has 8 divisors (see below), whose sum is σ = 8583451632. Its totient is φ = 2384292100.

The previous prime is 5245442611. The next prime is 5245442647. The reversal of 5245442642 is 2462445425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5245442596 and 5245442605.

It is not an unprimeable number, because it can be changed into a prime (5245442647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119214584 + ... + 119214627.

It is an arithmetic number, because the mean of its divisors is an integer number (1072931454).

Almost surely, 2^5245442642 is an apocalyptic number.

5245442642 is a deficient number, since it is larger than the sum of its proper divisors (3338008990).

5245442642 is a wasteful number, since it uses less digits than its factorization.

5245442642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238429224.

The product of its digits is 307200, while the sum is 38.

The square root of 5245442642 is about 72425.4281450928. The cubic root of 5245442642 is about 1737.5102721612.

The spelling of 5245442642 in words is "five billion, two hundred forty-five million, four hundred forty-two thousand, six hundred forty-two".