43050240 has 216 divisors, whose sum is σ = 154489608. Its totient is φ = 11059200.

The previous prime is 43050233. The next prime is 43050253. The reversal of 43050240 is 4205034.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23970816 + 19079424 = 4896^2 + 4368^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426190 + ... + 426290.

Almost surely, 2^43050240 is an apocalyptic number.

43050240 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 43050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77244804).

43050240 is an abundant number, since it is smaller than the sum of its proper divisors (111439368).

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

43050240 is a wasteful number, since it uses less digits than its factorization.

43050240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 43050240 is about 6561.2681701025. The cubic root of 43050240 is about 350.4761953521.

Adding to 43050240 its reverse (4205034), we get a palindrome (47255274).

The spelling of 43050240 in words is "forty-three million, fifty thousand, two hundred forty".