47934326440 has 192 divisors, whose sum is σ = 147395324160. Its totient is φ = 13791214080.

The previous prime is 47934326423. The next prime is 47934326441. The reversal of 47934326440 is 4462343974.

It is not an unprimeable number, because it can be changed into a prime (47934326441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194769 + ... + 365791.

It is an arithmetic number, because the mean of its divisors is an integer number (767683980).

Almost surely, 2^47934326440 is an apocalyptic number.

47934326440 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 47934326440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73697662080).

47934326440 is an abundant number, since it is smaller than the sum of its proper divisors (99460997720).

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

47934326440 is a wasteful number, since it uses less digits than its factorization.

47934326440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171072 (or 171061 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 47934326440 in words is "forty-seven billion, nine hundred thirty-four million, three hundred twenty-six thousand, four hundred forty".