47055660440 has 32 divisors (see below), whose sum is σ = 110478509280. Its totient is φ = 18003904512.

The previous prime is 47055660439. The next prime is 47055660479. The reversal of 47055660440 is 4406655074.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25572809 + ... + 25574648.

It is an arithmetic number, because the mean of its divisors is an integer number (3452453415).

Almost surely, 2^47055660440 is an apocalyptic number.

47055660440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47055660440 is an abundant number, since it is smaller than the sum of its proper divisors (63422848840).

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

47055660440 is a wasteful number, since it uses less digits than its factorization.

47055660440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51147491 (or 51147487 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 47055660440 in words is "forty-seven billion, fifty-five million, six hundred sixty thousand, four hundred forty".