47571438073728 has 128 divisors (see below), whose sum is σ = 129959345859840. Its totient is φ = 15408750080000.

The previous prime is 47571438073703. The next prime is 47571438073759. The reversal of 47571438073728 is 82737083417574.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2067300 + ... + 9970787.

It is an arithmetic number, because the mean of its divisors is an integer number (1015307389530).

Almost surely, 2^{47571438073728} is an apocalyptic number.

47571438073728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47571438073728 is an abundant number, since it is smaller than the sum of its proper divisors (82387907786112).

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

47571438073728 is a wasteful number, since it uses less digits than its factorization.

47571438073728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038396 (or 12038384 counting only the distinct ones).

The product of its (nonzero) digits is 221276160, while the sum is 66.

The spelling of 47571438073728 in words is "forty-seven trillion, five hundred seventy-one billion, four hundred thirty-eight million, seventy-three thousand, seven hundred twenty-eight".