47084738440 has 32 divisors (see below), whose sum is σ = 106071687000. Its totient is φ = 18810601984.

The previous prime is 47084738419. The next prime is 47084738447. The reversal of 47084738440 is 4483748074.

47084738440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 44853309796 + 2231428644 = 211786^2 + 47238^2 .

It is not an unprimeable number, because it can be changed into a prime (47084738447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695155 + ... + 759874.

Almost surely, 2^47084738440 is an apocalyptic number.

47084738440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47084738440 is an abundant number, since it is smaller than the sum of its proper divisors (58986948560).

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

47084738440 is a wasteful number, since it uses less digits than its factorization.

47084738440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455849 (or 1455845 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 49.

The spelling of 47084738440 in words is "forty-seven billion, eighty-four million, seven hundred thirty-eight thousand, four hundred forty".