635432302232240 has 160 divisors (see below), whose sum is σ = 1529375061350400. Its totient is φ = 245274458849280.

The previous prime is 635432302232183. The next prime is 635432302232261. The reversal of 635432302232240 is 42232203234536.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4754988464 + ... + 4755122096.

It is an arithmetic number, because the mean of its divisors is an integer number (9558594133440).

Almost surely, 2^{635432302232240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 635432302232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764687530675200).

635432302232240 is an abundant number, since it is smaller than the sum of its proper divisors (893942759118160).

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

635432302232240 is a wasteful number, since it uses less digits than its factorization.

635432302232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139115 (or 139109 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 635432302232240 its reverse (42232203234536), we get a palindrome (677664505466776).

The spelling of 635432302232240 in words is "six hundred thirty-five trillion, four hundred thirty-two billion, three hundred two million, two hundred thirty-two thousand, two hundred forty".