635140111422 has 32 divisors (see below), whose sum is σ = 1274600369952. Its totient is φ = 210993675264.

The previous prime is 635140111387. The next prime is 635140111433. The reversal of 635140111422 is 224111041536.

It is a super-2 number, since 2×635140111422² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 635140111422.

It is a congruent number.

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, 8134038 + ... + 8211750.

It is an arithmetic number, because the mean of its divisors is an integer number (39831261561).

Almost surely, 2^635140111422 is an apocalyptic number.

635140111422 is an abundant number, since it is smaller than the sum of its proper divisors (639460258530).

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

635140111422 is a wasteful number, since it uses less digits than its factorization.

635140111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82332.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 635140111422 its reverse (224111041536), we get a palindrome (859251152958).

The spelling of 635140111422 in words is "six hundred thirty-five billion, one hundred forty million, one hundred eleven thousand, four hundred twenty-two".