43040130 has 192 divisors, whose sum is σ = 133954560. Its totient is φ = 8781696.

The previous prime is 43040117. The next prime is 43040167. The reversal of 43040130 is 3104034.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 642357 + ... + 642423.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

Almost surely, 2^43040130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43040130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66977280).

43040130 is an abundant number, since it is smaller than the sum of its proper divisors (90914430).

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

43040130 is a wasteful number, since it uses less digits than its factorization.

43040130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43040130 is about 6560.4976945351. The cubic root of 43040130 is about 350.4487577061.

Adding to 43040130 its reverse (3104034), we get a palindrome (46144164).

The spelling of 43040130 in words is "forty-three million, forty thousand, one hundred thirty".