43322240040 has 32 divisors (see below), whose sum is σ = 129966720480. Its totient is φ = 11552597312.

The previous prime is 43322240021. The next prime is 43322240051. The reversal of 43322240040 is 4004222334.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180509214 + ... + 180509453.

It is an arithmetic number, because the mean of its divisors is an integer number (4061460015).

Almost surely, 2^43322240040 is an apocalyptic number.

43322240040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43322240040 is an abundant number, since it is smaller than the sum of its proper divisors (86644480440).

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

43322240040 is a wasteful number, since it uses less digits than its factorization.

43322240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361018681 (or 361018677 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 43322240040 its reverse (4004222334), we get a palindrome (47326462374).

The spelling of 43322240040 in words is "forty-three billion, three hundred twenty-two million, two hundred forty thousand, forty".