47544040 has 16 divisors (see below), whose sum is σ = 106974180. Its totient is φ = 19017600.

The previous prime is 47544037. The next prime is 47544047. The reversal of 47544040 is 4044574.

It can be written as a sum of positive squares in 2 ways, for example, as 45941284 + 1602756 = 6778^2 + 1266^2 .

It is not an unprimeable number, because it can be changed into a prime (47544047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594261 + ... + 594340.

Almost surely, 2^47544040 is an apocalyptic number.

47544040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47544040 is an abundant number, since it is smaller than the sum of its proper divisors (59430140).

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

47544040 is a wasteful number, since it uses less digits than its factorization.

47544040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188612 (or 1188608 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 47544040 is about 6895.2186332269. The cubic root of 47544040 is about 362.2697134269.

The spelling of 47544040 in words is "forty-seven million, five hundred forty-four thousand, forty".