4042501642 has 8 divisors (see below), whose sum is σ = 6064028676. Its totient is φ = 2021158752.

The previous prime is 4042501601. The next prime is 4042501657. The reversal of 4042501642 is 2461052404.

It can be written as a sum of positive squares in 2 ways, for example, as 3998159361 + 44342281 = 63231^2 + 6659^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4042501642.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44308 + ... + 100240.

Almost surely, 2^4042501642 is an apocalyptic number.

4042501642 is a deficient number, since it is larger than the sum of its proper divisors (2021527034).

4042501642 is a wasteful number, since it uses less digits than its factorization.

4042501642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92072.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4042501642 is about 63580.6703487782. The cubic root of 4042501642 is about 1593.0035183406.

The spelling of 4042501642 in words is "four billion, forty-two million, five hundred one thousand, six hundred forty-two".