43960000 has 140 divisors (see below), whose sum is σ = 125372368. Its totient is φ = 14976000.

The previous prime is 43959991. The next prime is 43960019. The reversal of 43960000 is 6934.

It is a tau number, because it is divible by the number of its divisors (140).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279922 + ... + 280078.

Almost surely, 2^43960000 is an apocalyptic number.

43960000 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 43960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62686184).

43960000 is an abundant number, since it is smaller than the sum of its proper divisors (81412368).

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

43960000 is an equidigital number, since it uses as much as digits as its factorization.

43960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 43960000 is about 6630.2337817003. The cubic root of 43960000 is about 352.9278208454.

Adding to 43960000 its reverse (6934), we get a palindrome (43966934).

The spelling of 43960000 in words is "forty-three million, nine hundred sixty thousand".