47704439940 has 96 divisors (see below), whose sum is σ = 136783696896. Its totient is φ = 12415804800.

The previous prime is 47704439933. The next prime is 47704439947. The reversal of 47704439940 is 4993440774.

It is an interprime number because it is at equal distance from previous prime (47704439933) and next prime (47704439947).

It is not an unprimeable number, because it can be changed into a prime (47704439947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3737209 + ... + 3749951.

It is an arithmetic number, because the mean of its divisors is an integer number (1424830176).

Almost surely, 2^47704439940 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 47704439940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68391848448).

47704439940 is an abundant number, since it is smaller than the sum of its proper divisors (89079256956).

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

47704439940 is a wasteful number, since it uses less digits than its factorization.

47704439940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249 (or 14247 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 47704439940 in words is "forty-seven billion, seven hundred four million, four hundred thirty-nine thousand, nine hundred forty".