4252424642 has 8 divisors (see below), whose sum is σ = 6753850956. Its totient is φ = 2001140992.

The previous prime is 4252424639. The next prime is 4252424647. The reversal of 4252424642 is 2464242524.

It can be written as a sum of positive squares in 2 ways, for example, as 3815656441 + 436768201 = 61771^2 + 20899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4252424647) 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, 62535623 + ... + 62535690.

Almost surely, 2^4252424642 is an apocalyptic number.

4252424642 is a deficient number, since it is larger than the sum of its proper divisors (2501426314).

4252424642 is a wasteful number, since it uses less digits than its factorization.

4252424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125071332.

The product of its digits is 122880, while the sum is 35.

The square root of 4252424642 is about 65210.6175557324. The cubic root of 4252424642 is about 1620.1138773274.

The spelling of 4252424642 in words is "four billion, two hundred fifty-two million, four hundred twenty-four thousand, six hundred forty-two".