47280532728 has 128 divisors (see below), whose sum is σ = 144903790080. Its totient is φ = 12650288640.

The previous prime is 47280532723. The next prime is 47280532813. The reversal of 47280532728 is 82723508274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280532723) 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, 220551 + ... + 378422.

It is an arithmetic number, because the mean of its divisors is an integer number (1132060860).

Almost surely, 2^47280532728 is an apocalyptic number.

It is an amenable number.

47280532728 is an abundant number, since it is smaller than the sum of its proper divisors (97623257352).

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

47280532728 is a wasteful number, since it uses less digits than its factorization.

47280532728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599029 (or 599025 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 47280532728 in words is "forty-seven billion, two hundred eighty million, five hundred thirty-two thousand, seven hundred twenty-eight".