634401032140630 has 64 divisors (see below), whose sum is σ = 1145902096584000. Its totient is φ = 252877305489408.

The previous prime is 634401032140627. The next prime is 634401032140789. The reversal of 634401032140630 is 36041230104436.

It is a self number, because there is not a number n which added to its sum of digits gives 634401032140630.

It is a congruent number.

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, 25277950242 + ... + 25277975338.

It is an arithmetic number, because the mean of its divisors is an integer number (17904720259125).

Almost surely, 2^{634401032140630} is an apocalyptic number.

634401032140630 is a deficient number, since it is larger than the sum of its proper divisors (511501064443370).

634401032140630 is a wasteful number, since it uses less digits than its factorization.

634401032140630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31681.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 634401032140630 in words is "six hundred thirty-four trillion, four hundred one billion, thirty-two million, one hundred forty thousand, six hundred thirty".