47311140 has 96 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 11684736.

The previous prime is 47311111. The next prime is 47311141. The reversal of 47311140 is 4111374.

It is not an unprimeable number, because it can be changed into a prime (47311141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53139 + ... + 54021.

It is an arithmetic number, because the mean of its divisors is an integer number (1485120).

Almost surely, 2^47311140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47311140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71285760).

47311140 is an abundant number, since it is smaller than the sum of its proper divisors (95260380).

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

47311140 is a wasteful number, since it uses less digits than its factorization.

47311140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 47311140 is about 6878.3093853068. The cubic root of 47311140 is about 361.6772047963.

The spelling of 47311140 in words is "forty-seven million, three hundred eleven thousand, one hundred forty".