635420541336252 has 48 divisors (see below), whose sum is σ = 1710905794171392. Its totient is φ = 179786117102400.

The previous prime is 635420541336211. The next prime is 635420541336367. The reversal of 635420541336252 is 252633145024536.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 635420541336195 and 635420541336204.

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, 36721011999 + ... + 36721029302.

It is an arithmetic number, because the mean of its divisors is an integer number (35643870711904).

Almost surely, 2^{635420541336252} is an apocalyptic number.

It is an amenable number.

635420541336252 is an abundant number, since it is smaller than the sum of its proper divisors (1075485252835140).

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

635420541336252 is a wasteful number, since it uses less digits than its factorization.

635420541336252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73442041418 (or 73442041416 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 635420541336252 in words is "six hundred thirty-five trillion, four hundred twenty billion, five hundred forty-one million, three hundred thirty-six thousand, two hundred fifty-two".