43950240 has 144 divisors (see below), whose sum is σ = 156619008. Its totient is φ = 11202048.

The previous prime is 43950229. The next prime is 43950241. The reversal of 43950240 is 4205934.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (43950241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32457 + ... + 33783.

It is an arithmetic number, because the mean of its divisors is an integer number (1087632).

Almost surely, 2^43950240 is an apocalyptic number.

43950240 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 43950240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78309504).

43950240 is an abundant number, since it is smaller than the sum of its proper divisors (112668768).

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

43950240 is a wasteful number, since it uses less digits than its factorization.

43950240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 43950240 is about 6629.4977185304. The cubic root of 43950240 is about 352.9016998984.

The spelling of 43950240 in words is "forty-three million, nine hundred fifty thousand, two hundred forty".