635372042 has 32 divisors (see below), whose sum is σ = 1047302784. Its totient is φ = 287884800.

The previous prime is 635372021. The next prime is 635372047. The reversal of 635372042 is 240273536.

It is not an unprimeable number, because it can be changed into a prime (635372047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100742 + ... + 106862.

It is an arithmetic number, because the mean of its divisors is an integer number (32728212).

Almost surely, 2^635372042 is an apocalyptic number.

635372042 is a deficient number, since it is larger than the sum of its proper divisors (411930742).

635372042 is a wasteful number, since it uses less digits than its factorization.

635372042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 635372042 is about 25206.5872739647. The cubic root of 635372042 is about 859.6916336297.

The spelling of 635372042 in words is "six hundred thirty-five million, three hundred seventy-two thousand, forty-two".