47273047440 has 160 divisors (see below), whose sum is σ = 150847488000. Its totient is φ = 12240410112.

The previous prime is 47273047421. The next prime is 47273047453. The reversal of 47273047440 is 4474037274.

It is a junction number, because it is equal to n+sod(n) for n = 47273047392 and 47273047401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416061 + ... + 1449059.

It is an arithmetic number, because the mean of its divisors is an integer number (942796800).

Almost surely, 2^47273047440 is an apocalyptic number.

47273047440 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 47273047440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75423744000).

47273047440 is an abundant number, since it is smaller than the sum of its proper divisors (103574440560).

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

47273047440 is a wasteful number, since it uses less digits than its factorization.

47273047440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33189 (or 33183 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 42.

The spelling of 47273047440 in words is "forty-seven billion, two hundred seventy-three million, forty-seven thousand, four hundred forty".