47054040 has 128 divisors (see below), whose sum is σ = 157766400. Its totient is φ = 11128320.

The previous prime is 47054023. The next prime is 47054053. The reversal of 47054040 is 4045074.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 47054040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56346 + ... + 57174.

It is an arithmetic number, because the mean of its divisors is an integer number (1232550).

Almost surely, 2^47054040 is an apocalyptic number.

47054040 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 47054040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78883200).

47054040 is an abundant number, since it is smaller than the sum of its proper divisors (110712360).

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

47054040 is a wasteful number, since it uses less digits than its factorization.

47054040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 47054040 is about 6859.5947402161. The cubic root of 47054040 is about 361.0208677762.

The spelling of 47054040 in words is "forty-seven million, fifty-four thousand, forty".