635532055130064 has 40 divisors (see below), whose sum is σ = 1641797912960320. Its totient is φ = 211843144758528.

The previous prime is 635532055130057. The next prime is 635532055130087. The reversal of 635532055130064 is 460031550235536.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 635532055129995 and 635532055130022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15487084 + ... + 38870475.

It is an arithmetic number, because the mean of its divisors is an integer number (41044947824008).

Almost surely, 2^{635532055130064} is an apocalyptic number.

It is an amenable number.

635532055130064 is an abundant number, since it is smaller than the sum of its proper divisors (1006265857830256).

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

635532055130064 is a wasteful number, since it uses less digits than its factorization.

635532055130064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54601147 (or 54601141 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 635532055130064 in words is "six hundred thirty-five trillion, five hundred thirty-two billion, fifty-five million, one hundred thirty thousand, sixty-four".