47141840 has 20 divisors (see below), whose sum is σ = 109604964. Its totient is φ = 18856704.

The previous prime is 47141827. The next prime is 47141863. The reversal of 47141840 is 4814174.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 22619536 = 4952^2 + 4756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294557 + ... + 294716.

Almost surely, 2^47141840 is an apocalyptic number.

47141840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47141840 is an abundant number, since it is smaller than the sum of its proper divisors (62463124).

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

47141840 is a wasteful number, since it uses less digits than its factorization.

47141840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589286 (or 589280 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 47141840 is about 6865.9915525727. The cubic root of 47141840 is about 361.2452759766.

The spelling of 47141840 in words is "forty-seven million, one hundred forty-one thousand, eight hundred forty".