63636355534044 has 48 divisors (see below), whose sum is σ = 149241366334368. Its totient is φ = 21104045883648.

The previous prime is 63636355534043. The next prime is 63636355534051. The reversal of 63636355534044 is 44043555363636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63636355534043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142498834 + ... + 142944710.

It is an arithmetic number, because the mean of its divisors is an integer number (3109195131966).

Almost surely, 2^{63636355534044} is an apocalyptic number.

It is an amenable number.

63636355534044 is an abundant number, since it is smaller than the sum of its proper divisors (85605010800324).

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

63636355534044 is a wasteful number, since it uses less digits than its factorization.

63636355534044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506454 (or 506452 counting only the distinct ones).

The product of its (nonzero) digits is 139968000, while the sum is 57.

The spelling of 63636355534044 in words is "sixty-three trillion, six hundred thirty-six billion, three hundred fifty-five million, five hundred thirty-four thousand, forty-four".