635364140 has 24 divisors (see below), whose sum is σ = 1335679632. Its totient is φ = 253876160.

The previous prime is 635364139. The next prime is 635364143. The reversal of 635364140 is 41463536.

It is a junction number, because it is equal to n+sod(n) for n = 635364097 and 635364106.

It is not an unprimeable number, because it can be changed into a prime (635364143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3062 + ... + 35778.

It is an arithmetic number, because the mean of its divisors is an integer number (55653318).

Almost surely, 2^635364140 is an apocalyptic number.

It is an amenable number.

635364140 is an abundant number, since it is smaller than the sum of its proper divisors (700315492).

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

635364140 is a wasteful number, since it uses less digits than its factorization.

635364140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33697 (or 33695 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 635364140 is about 25206.4305287361. The cubic root of 635364140 is about 859.6880696750.

It can be divided in two parts, 63536 and 4140, that added together give a palindrome (67676).

The spelling of 635364140 in words is "six hundred thirty-five million, three hundred sixty-four thousand, one hundred forty".