47910240 has 288 divisors, whose sum is σ = 192628800. Its totient is φ = 10838016.

The previous prime is 47910223. The next prime is 47910257. The reversal of 47910240 is 4201974.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47910223) and next prime (47910257).

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493872 + ... + 493968.

It is an arithmetic number, because the mean of its divisors is an integer number (668850).

Almost surely, 2^47910240 is an apocalyptic number.

47910240 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 47910240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96314400).

47910240 is an abundant number, since it is smaller than the sum of its proper divisors (144718560).

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

47910240 is a wasteful number, since it uses less digits than its factorization.

47910240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47910240 is about 6921.7223290161. The cubic root of 47910240 is about 363.1974428459.

The spelling of 47910240 in words is "forty-seven million, nine hundred ten thousand, two hundred forty".