47156981760 has 1040 divisors, whose sum is σ = 200949737472. Its totient is φ = 10351411200.

The previous prime is 47156981741. The next prime is 47156981779. The reversal of 47156981760 is 6718965174.

47156981760 is a `hidden beast` number, since 4 + 7 + 1 + 569 + 8 + 1 + 76 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (47156981741) and next prime (47156981779).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 47156981697 and 47156981706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 359976895 + ... + 359977025.

Almost surely, 2^47156981760 is an apocalyptic number.

47156981760 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 47156981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100474868736).

47156981760 is an abundant number, since it is smaller than the sum of its proper divisors (153792755712).

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

47156981760 is a wasteful number, since it uses less digits than its factorization.

47156981760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 47156981760 in words is "forty-seven billion, one hundred fifty-six million, nine hundred eighty-one thousand, seven hundred sixty".