635140332 has 48 divisors (see below), whose sum is σ = 1743527520. Its totient is φ = 199259136.

The previous prime is 635140313. The next prime is 635140361. The reversal of 635140332 is 233041536.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 635140296 and 635140305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171133 + ... + 174804.

It is an arithmetic number, because the mean of its divisors is an integer number (36323490).

Almost surely, 2^635140332 is an apocalyptic number.

It is an amenable number.

635140332 is an abundant number, since it is smaller than the sum of its proper divisors (1108387188).

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

635140332 is a wasteful number, since it uses less digits than its factorization.

635140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345967 (or 345959 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 635140332 is about 25201.9906356621. The cubic root of 635140332 is about 859.5871156701.

Adding to 635140332 its reverse (233041536), we get a palindrome (868181868).

The spelling of 635140332 in words is "six hundred thirty-five million, one hundred forty thousand, three hundred thirty-two".