47239539177456 has 220 divisors, whose sum is σ = 139879645051608. Its totient is φ = 15449392662912.

The previous prime is 47239539177419. The next prime is 47239539177463. The reversal of 47239539177456 is 65477193593274.

47239539177456 is a `hidden beast` number, since 4 + 7 + 2 + 3 + 9 + 539 + 17 + 74 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 49601851 + ... + 50545253.

Almost surely, 2^{47239539177456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47239539177456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69939822525804).

47239539177456 is an abundant number, since it is smaller than the sum of its proper divisors (92640105874152).

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

47239539177456 is an frugal number, since it uses more digits than its factorization.

47239539177456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943494 (or 943461 counting only the distinct ones).

The product of its digits is 1200225600, while the sum is 72.

The spelling of 47239539177456 in words is "forty-seven trillion, two hundred thirty-nine billion, five hundred thirty-nine million, one hundred seventy-seven thousand, four hundred fifty-six".