47555346440 has 128 divisors (see below), whose sum is σ = 129624364800. Its totient is φ = 15328296960.

The previous prime is 47555346437. The next prime is 47555346463. The reversal of 47555346440 is 4464355574.

47555346440 is nontrivially palindromic in base 13.

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, 4616816 + ... + 4627104.

It is an arithmetic number, because the mean of its divisors is an integer number (1012690350).

Almost surely, 2^47555346440 is an apocalyptic number.

47555346440 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 47555346440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64812182400).

47555346440 is an abundant number, since it is smaller than the sum of its proper divisors (82069018360).

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

47555346440 is a wasteful number, since it uses less digits than its factorization.

47555346440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295 (or 11291 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 47555346440 in words is "forty-seven billion, five hundred fifty-five million, three hundred forty-six thousand, four hundred forty".