47147136344 has 128 divisors (see below), whose sum is σ = 113629824000. Its totient is φ = 18178513920.

The previous prime is 47147136301. The next prime is 47147136391. The reversal of 47147136344 is 44363174174.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 47147136295 and 47147136304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2919797 + ... + 2935899.

It is an arithmetic number, because the mean of its divisors is an integer number (887733000).

Almost surely, 2^47147136344 is an apocalyptic number.

47147136344 is a gapful number since it is divisible by the number (44) 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 47147136344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56814912000).

47147136344 is an abundant number, since it is smaller than the sum of its proper divisors (66482687656).

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

47147136344 is a wasteful number, since it uses less digits than its factorization.

47147136344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16238 (or 16220 counting only the distinct ones).

The product of its digits is 677376, while the sum is 44.

The spelling of 47147136344 in words is "forty-seven billion, one hundred forty-seven million, one hundred thirty-six thousand, three hundred forty-four".