47156318412 has 96 divisors (see below), whose sum is σ = 126735920640. Its totient is φ = 13367877120.

The previous prime is 47156318389. The next prime is 47156318413. The reversal of 47156318412 is 21481365174.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (47156318413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10693264 + ... + 10697672.

It is an arithmetic number, because the mean of its divisors is an integer number (1320165840).

Almost surely, 2^47156318412 is an apocalyptic number.

47156318412 is a gapful number since it is divisible by the number (42) 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 47156318412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63367960320).

47156318412 is an abundant number, since it is smaller than the sum of its proper divisors (79579602228).

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

47156318412 is a wasteful number, since it uses less digits than its factorization.

47156318412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5389 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The spelling of 47156318412 in words is "forty-seven billion, one hundred fifty-six million, three hundred eighteen thousand, four hundred twelve".