635061340 has 48 divisors (see below), whose sum is σ = 1374156000. Its totient is φ = 246350592.

The previous prime is 635061331. The next prime is 635061347. The reversal of 635061340 is 43160536.

It is a junction number, because it is equal to n+sod(n) for n = 635061299 and 635061308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635061347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257031 + ... + 259489.

It is an arithmetic number, because the mean of its divisors is an integer number (28628250).

Almost surely, 2^635061340 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 635061340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687078000).

635061340 is an abundant number, since it is smaller than the sum of its proper divisors (739094660).

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

635061340 is a wasteful number, since it uses less digits than its factorization.

635061340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 635061340 is about 25200.4234091414. The cubic root of 635061340 is about 859.5514787580.

It can be divided in two parts, 63506 and 1340, that added together give a palindrome (64846).

The spelling of 635061340 in words is "six hundred thirty-five million, sixty-one thousand, three hundred forty".