43053240 has 128 divisors (see below), whose sum is σ = 142041600. Its totient is φ = 10391040.

The previous prime is 43053233. The next prime is 43053247. The reversal of 43053240 is 4235034.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43053233) and next prime (43053247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43053247) 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 31 ways as a sum of consecutive naturals, for example, 52030 + ... + 52850.

It is an arithmetic number, because the mean of its divisors is an integer number (1109700).

Almost surely, 2^43053240 is an apocalyptic number.

43053240 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 43053240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71020800).

43053240 is an abundant number, since it is smaller than the sum of its proper divisors (98988360).

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

43053240 is a wasteful number, since it uses less digits than its factorization.

43053240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 43053240 is about 6561.4967804610. The cubic root of 43053240 is about 350.4843362604.

Adding to 43053240 its reverse (4235034), we get a palindrome (47288274).

The spelling of 43053240 in words is "forty-three million, fifty-three thousand, two hundred forty".