47223649280 has 66 divisors (see below), whose sum is σ = 113318730774. Its totient is φ = 18883239936.

The previous prime is 47223649201. The next prime is 47223649321. The reversal of 47223649280 is 8294632274.

It can be written as a sum of positive squares in 3 ways, for example, as 19842666496 + 27380982784 = 140864^2 + 165472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15547922 + ... + 15550958.

Almost surely, 2^47223649280 is an apocalyptic number.

47223649280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47223649280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56659365387).

47223649280 is an abundant number, since it is smaller than the sum of its proper divisors (66095081494).

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

47223649280 is an frugal number, since it uses more digits than its factorization.

47223649280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 47223649280 in words is "forty-seven billion, two hundred twenty-three million, six hundred forty-nine thousand, two hundred eighty".