5256453842 has 16 divisors (see below), whose sum is σ = 8027873280. Its totient is φ = 2580602352.

The previous prime is 5256453809. The next prime is 5256453847. The reversal of 5256453842 is 2483546525.

It is a junction number, because it is equal to n+sod(n) for n = 5256453793 and 5256453802.

It is not an unprimeable number, because it can be changed into a prime (5256453847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74543 + ... + 126765.

It is an arithmetic number, because the mean of its divisors is an integer number (501742080).

Almost surely, 2^5256453842 is an apocalyptic number.

5256453842 is a deficient number, since it is larger than the sum of its proper divisors (2771419438).

5256453842 is a wasteful number, since it uses less digits than its factorization.

5256453842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137.

The product of its digits is 1152000, while the sum is 44.

The square root of 5256453842 is about 72501.4057932672. The cubic root of 5256453842 is about 1738.7252126149.

The spelling of 5256453842 in words is "five billion, two hundred fifty-six million, four hundred fifty-three thousand, eight hundred forty-two".