43151040 has 84 divisors (see below), whose sum is σ = 148431504. Its totient is φ = 11506176.

The previous prime is 43150969. The next prime is 43151047. The reversal of 43151040 is 4015134.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (43151047) 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 11 ways as a sum of consecutive naturals, for example, 4612 + ... + 10371.

Almost surely, 2^43151040 is an apocalyptic number.

43151040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43151040 is an abundant number, since it is smaller than the sum of its proper divisors (105280464).

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

43151040 is a wasteful number, since it uses less digits than its factorization.

43151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006 (or 14993 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 43151040 is about 6568.9451207937. The cubic root of 43151040 is about 350.7495230067.

Adding to 43151040 its reverse (4015134), we get a palindrome (47166174).

The spelling of 43151040 in words is "forty-three million, one hundred fifty-one thousand, forty".