47404428708128 has 54 divisors (see below), whose sum is σ = 94169427601977. Its totient is φ = 23490279160320.

The previous prime is 47404428708121. The next prime is 47404428708173. The reversal of 47404428708128 is 82180782440474.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 29939150702224 + 17465278005904 = 5471668^2 + 4179148^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4868492.

It is a super-2 number, since 2×47404428708128² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47404428708121) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 4401111383 + ... + 4401122153.

Almost surely, 2^{47404428708128} is an apocalyptic number.

It is an amenable number.

47404428708128 is a deficient number, since it is larger than the sum of its proper divisors (46764998893849).

47404428708128 is an frugal number, since it uses more digits than its factorization.

47404428708128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 10886 counting only the distinct ones).

The product of its (nonzero) digits is 25690112, while the sum is 59.

The spelling of 47404428708128 in words is "forty-seven trillion, four hundred four billion, four hundred twenty-eight million, seven hundred eight thousand, one hundred twenty-eight".