406635630613140 has 24 divisors (see below), whose sum is σ = 1138579765716960. Its totient is φ = 108436168163488.

The previous prime is 406635630613117. The next prime is 406635630613141. The reversal of 406635630613140 is 41316036536604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 406635630613140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406635630613141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388630255050 + ... + 3388630255169.

It is an arithmetic number, because the mean of its divisors is an integer number (47440823571540).

Almost surely, 2^{406635630613140} is an apocalyptic number.

It is an amenable number.

406635630613140 is an abundant number, since it is smaller than the sum of its proper divisors (731944135103820).

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

406635630613140 is a wasteful number, since it uses less digits than its factorization.

406635630613140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777260510231 (or 6777260510229 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 406635630613140 in words is "four hundred six trillion, six hundred thirty-five billion, six hundred thirty million, six hundred thirteen thousand, one hundred forty".