47245744448 has 112 divisors (see below), whose sum is σ = 108497729664. Its totient is φ = 19993958400.

The previous prime is 47245744439. The next prime is 47245744477. The reversal of 47245744448 is 84444754274.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 47245744448.

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, 20043686 + ... + 20046042.

Almost surely, 2^47245744448 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 47245744448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54248864832).

47245744448 is an abundant number, since it is smaller than the sum of its proper divisors (61251985216).

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

47245744448 is a wasteful number, since it uses less digits than its factorization.

47245744448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2910 counting only the distinct ones).

The product of its digits is 16056320, while the sum is 53.

The spelling of 47245744448 in words is "forty-seven billion, two hundred forty-five million, seven hundred forty-four thousand, four hundred forty-eight".