47944912500 has 180 divisors, whose sum is σ = 156665121228. Its totient is φ = 12785040000.

The previous prime is 47944912481. The next prime is 47944912501. The reversal of 47944912500 is 521944974.

47944912500 is a `hidden beast` number, since 4 + 7 + 94 + 49 + 12 + 500 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 46547199504 + 1397712996 = 215748^2 + 37386^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47944912501) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 988824 + ... + 1036176.

Almost surely, 2^47944912500 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 47944912500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78332560614).

47944912500 is an abundant number, since it is smaller than the sum of its proper divisors (108720208728).

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

47944912500 is an equidigital number, since it uses as much as digits as its factorization.

47944912500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47394 (or 47363 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 47944912500 in words is "forty-seven billion, nine hundred forty-four million, nine hundred twelve thousand, five hundred".