635040342 has 12 divisors (see below), whose sum is σ = 1375920780. Its totient is φ = 211680108.

The previous prime is 635040337. The next prime is 635040353. The reversal of 635040342 is 243040536.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 17639992 + ... + 17640027.

It is an arithmetic number, because the mean of its divisors is an integer number (114660065).

Almost surely, 2^635040342 is an apocalyptic number.

635040342 is an abundant number, since it is smaller than the sum of its proper divisors (740880438).

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

635040342 is a wasteful number, since it uses less digits than its factorization.

635040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35280027 (or 35280024 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 635040342 is about 25200.0067857134. The cubic root of 635040342 is about 859.5420051005.

Adding to 635040342 its reverse (243040536), we get a palindrome (878080878).

It can be divided in two parts, 63 and 5040342, that added together give a palindrome (5040405).

The spelling of 635040342 in words is "six hundred thirty-five million, forty thousand, three hundred forty-two".