43848040 has 16 divisors (see below), whose sum is σ = 98658180. Its totient is φ = 17539200.

The previous prime is 43848023. The next prime is 43848041. The reversal of 43848040 is 4084834.

It can be written as a sum of positive squares in 2 ways, for example, as 38713284 + 5134756 = 6222^2 + 2266^2 .

It is a super-2 number, since 2×43848040² = 3845301223683200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43847993 and 43848011.

It is not an unprimeable number, because it can be changed into a prime (43848041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548061 + ... + 548140.

Almost surely, 2^43848040 is an apocalyptic number.

43848040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43848040 is an abundant number, since it is smaller than the sum of its proper divisors (54810140).

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

43848040 is a wasteful number, since it uses less digits than its factorization.

43848040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096212 (or 1096208 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 43848040 is about 6621.7852577685. The cubic root of 43848040 is about 352.6279467800.

The spelling of 43848040 in words is "forty-three million, eight hundred forty-eight thousand, forty".