47911120 has 40 divisors (see below), whose sum is σ = 114992640. Its totient is φ = 18545280.

The previous prime is 47911109. The next prime is 47911121. The reversal of 47911120 is 2111974.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7180 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (2874816).

Almost surely, 2^47911120 is an apocalyptic number.

47911120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47911120 is an abundant number, since it is smaller than the sum of its proper divisors (67081520).

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

47911120 is a wasteful number, since it uses less digits than its factorization.

47911120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363 (or 19357 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 47911120 is about 6921.7858967177. The cubic root of 47911120 is about 363.1996665305.

The spelling of 47911120 in words is "forty-seven million, nine hundred eleven thousand, one hundred twenty".