47388866720 has 384 divisors, whose sum is σ = 133957877760. Its totient is φ = 15681392640.

The previous prime is 47388866711. The next prime is 47388866743. The reversal of 47388866720 is 2766888374.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47388866720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57580229 + ... + 57581051.

It is an arithmetic number, because the mean of its divisors is an integer number (348848640).

Almost surely, 2^47388866720 is an apocalyptic number.

47388866720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47388866720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66978938880).

47388866720 is an abundant number, since it is smaller than the sum of its proper divisors (86569011040).

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

47388866720 is a wasteful number, since it uses less digits than its factorization.

47388866720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 47388866720 in words is "forty-seven billion, three hundred eighty-eight million, eight hundred sixty-six thousand, seven hundred twenty".