47118040 has 64 divisors (see below), whose sum is σ = 110808000. Its totient is φ = 18009600.

The previous prime is 47118037. The next prime is 47118059. The reversal of 47118040 is 4081174.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 47117996 and 47118014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175026 + ... + 175294.

It is an arithmetic number, because the mean of its divisors is an integer number (1731375).

Almost surely, 2^47118040 is an apocalyptic number.

47118040 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 47118040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55404000).

47118040 is an abundant number, since it is smaller than the sum of its proper divisors (63689960).

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

47118040 is a wasteful number, since it uses less digits than its factorization.

47118040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 47118040 is about 6864.2581536536. The cubic root of 47118040 is about 361.1844730547.

The spelling of 47118040 in words is "forty-seven million, one hundred eighteen thousand, forty".