4252526642 has 96 divisors (see below), whose sum is σ = 8669248560. Its totient is φ = 1544417280.

The previous prime is 4252526639. The next prime is 4252526647. The reversal of 4252526642 is 2466252524.

It can be written as a sum of positive squares in 8 ways, for example, as 161772961 + 4090753681 = 12719^2 + 63959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4252526596 and 4252526605.

It is not an unprimeable number, because it can be changed into a prime (4252526647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 885584 + ... + 890372.

Almost surely, 2^4252526642 is an apocalyptic number.

4252526642 is an abundant number, since it is smaller than the sum of its proper divisors (4416721918).

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

4252526642 is a wasteful number, since it uses less digits than its factorization.

4252526642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876 (or 4869 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 4252526642 is about 65211.3996322729. The cubic root of 4252526642 is about 1620.1268307448.

The spelling of 4252526642 in words is "four billion, two hundred fifty-two million, five hundred twenty-six thousand, six hundred forty-two".