47401758720 has 156 divisors (see below), whose sum is σ = 164306676456. Its totient is φ = 12640419840.

The previous prime is 47401758707. The next prime is 47401758731. The reversal of 47401758720 is 2785710474.

47401758720 is a `hidden beast` number, since 4 + 7 + 40 + 1 + 7 + 587 + 20 = 666.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 55735 + ... + 312905.

It is an arithmetic number, because the mean of its divisors is an integer number (1053247926).

Almost surely, 2^47401758720 is an apocalyptic number.

47401758720 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 47401758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82153338228).

47401758720 is an abundant number, since it is smaller than the sum of its proper divisors (116904917736).

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

47401758720 is a wasteful number, since it uses less digits than its factorization.

47401758720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257206 (or 257181 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The spelling of 47401758720 in words is "forty-seven billion, four hundred one million, seven hundred fifty-eight thousand, seven hundred twenty".