47216204500644 has 36 divisors (see below), whose sum is σ = 120582506233644. Its totient is φ = 15576479834112.

The previous prime is 47216204500639. The next prime is 47216204500691. The reversal of 47216204500644 is 44600540261274.

It is a happy number.

47216204500644 is a `hidden beast` number, since 4 + 7 + 21 + 62 + 0 + 4 + 500 + 64 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11160022598244 + 36056181902400 = 3340662^2 + 6004680^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 47216204500644.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6760621437 + ... + 6760628420.

Almost surely, 2^{47216204500644} is an apocalyptic number.

It is an amenable number.

47216204500644 is an abundant number, since it is smaller than the sum of its proper divisors (73366301733000).

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

47216204500644 is a wasteful number, since it uses less digits than its factorization.

47216204500644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521249964 (or 13521249959 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 47216204500644 in words is "forty-seven trillion, two hundred sixteen billion, two hundred four million, five hundred thousand, six hundred forty-four".