47445075744 has 144 divisors (see below), whose sum is σ = 137610529056. Its totient is φ = 14302126080.

The previous prime is 47445075739. The next prime is 47445075757. The reversal of 47445075744 is 44757054474.

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 23 ways as a sum of consecutive naturals, for example, 2231307 + ... + 2252469.

It is an arithmetic number, because the mean of its divisors is an integer number (955628674).

Almost surely, 2^47445075744 is an apocalyptic number.

47445075744 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 47445075744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68805264528).

47445075744 is an abundant number, since it is smaller than the sum of its proper divisors (90165453312).

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

47445075744 is a wasteful number, since it uses less digits than its factorization.

47445075744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391 (or 21372 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 51.

The spelling of 47445075744 in words is "forty-seven billion, four hundred forty-five million, seventy-five thousand, seven hundred forty-four".