47844749392 has 60 divisors (see below), whose sum is σ = 102456203668. Its totient is φ = 21627302400.

The previous prime is 47844749369. The next prime is 47844749399. The reversal of 47844749392 is 29394744874.

It can be written as a sum of positive squares in 2 ways, for example, as 13791214096 + 34053535296 = 117436^2 + 184536^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47844749392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47844749399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282148 + ... + 418684.

Almost surely, 2^47844749392 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 47844749392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51228101834).

47844749392 is an abundant number, since it is smaller than the sum of its proper divisors (54611454276).

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

47844749392 is a wasteful number, since it uses less digits than its factorization.

47844749392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136748 (or 136731 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 61.

The spelling of 47844749392 in words is "forty-seven billion, eight hundred forty-four million, seven hundred forty-nine thousand, three hundred ninety-two".