47440512 has 256 divisors, whose sum is σ = 167443200. Its totient is φ = 12939264.

The previous prime is 47440499. The next prime is 47440529. The reversal of 47440512 is 21504474.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895078 + ... + 895130.

It is an arithmetic number, because the mean of its divisors is an integer number (654075).

Almost surely, 2^47440512 is an apocalyptic number.

47440512 is a gapful number since it is divisible by the number (42) 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 47440512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83721600).

47440512 is an abundant number, since it is smaller than the sum of its proper divisors (120002688).

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

47440512 is a wasteful number, since it uses less digits than its factorization.

47440512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 47440512 is about 6887.7073108546. The cubic root of 47440512 is about 362.0065727366.

Adding to 47440512 its reverse (21504474), we get a palindrome (68944986).

The spelling of 47440512 in words is "forty-seven million, four hundred forty thousand, five hundred twelve".