47444780508 has 12 divisors (see below), whose sum is σ = 110704487880. Its totient is φ = 15814926832.

The previous prime is 47444780503. The next prime is 47444780549. The reversal of 47444780508 is 80508744474.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47444780503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976865843 + ... + 1976865866.

It is an arithmetic number, because the mean of its divisors is an integer number (9225373990).

Almost surely, 2^47444780508 is an apocalyptic number.

It is an amenable number.

47444780508 is an abundant number, since it is smaller than the sum of its proper divisors (63259707372).

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

47444780508 is a wasteful number, since it uses less digits than its factorization.

47444780508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953731716 (or 3953731714 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 51.

The spelling of 47444780508 in words is "forty-seven billion, four hundred forty-four million, seven hundred eighty thousand, five hundred eight".