4254126642 has 48 divisors (see below), whose sum is σ = 9601012512. Its totient is φ = 1411758720.

The previous prime is 4254126601. The next prime is 4254126647. The reversal of 4254126642 is 2466214524.

4254126642 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 1 + 2 + 6 + 642 = 666.

4254126642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4254126597 and 4254126606.

It is not an unprimeable number, because it can be changed into a prime (4254126647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91042 + ... + 129602.

It is an arithmetic number, because the mean of its divisors is an integer number (200021094).

Almost surely, 2^4254126642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4254126642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4800506256).

4254126642 is an abundant number, since it is smaller than the sum of its proper divisors (5346885870).

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

4254126642 is a wasteful number, since it uses less digits than its factorization.

4254126642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38805 (or 38793 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 4254126642 is about 65223.6662722972. Note that the first 3 decimals coincide. The cubic root of 4254126642 is about 1620.3299945038.

The spelling of 4254126642 in words is "four billion, two hundred fifty-four million, one hundred twenty-six thousand, six hundred forty-two".