5636347179840 has 336 divisors, whose sum is σ = 21080682499968. Its totient is φ = 1373937610752.

The previous prime is 5636347179833. The next prime is 5636347179863. The reversal of 5636347179840 is 489717436365.

It is a happy number.

5636347179840 is a `hidden beast` number, since 5 + 6 + 36 + 3 + 471 + 7 + 98 + 40 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3125527 + ... + 4587113.

It is an arithmetic number, because the mean of its divisors is an integer number (62740126488).

Almost surely, 2^{5636347179840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5636347179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10540341249984).

5636347179840 is an abundant number, since it is smaller than the sum of its proper divisors (15444335320128).

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

5636347179840 is a wasteful number, since it uses less digits than its factorization.

5636347179840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461726 (or 1461713 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 5636347179840 in words is "five trillion, six hundred thirty-six billion, three hundred forty-seven million, one hundred seventy-nine thousand, eight hundred forty".