43948240 has 40 divisors (see below), whose sum is σ = 116778240. Its totient is φ = 15067776.

The previous prime is 43948211. The next prime is 43948271. The reversal of 43948240 is 4284934.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 43948196 and 43948205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38680 + ... + 39799.

It is an arithmetic number, because the mean of its divisors is an integer number (2919456).

Almost surely, 2^43948240 is an apocalyptic number.

43948240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43948240 is an abundant number, since it is smaller than the sum of its proper divisors (72830000).

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

43948240 is a wasteful number, since it uses less digits than its factorization.

43948240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78499 (or 78493 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 43948240 is about 6629.3468758242. The cubic root of 43948240 is about 352.8963467680.

The spelling of 43948240 in words is "forty-three million, nine hundred forty-eight thousand, two hundred forty".