43444252232040 has 128 divisors (see below), whose sum is σ = 149664409689600. Its totient is φ = 9977627301120.

The previous prime is 43444252232027. The next prime is 43444252232077. The reversal of 43444252232040 is 4023225244434.

It is a happy number.

It is a super-2 number, since 2×43444252232040² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43444252232040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866088402 + ... + 866138561.

It is an arithmetic number, because the mean of its divisors is an integer number (1169253200700).

Almost surely, 2^{43444252232040} is an apocalyptic number.

43444252232040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43444252232040 is an abundant number, since it is smaller than the sum of its proper divisors (106220157457560).

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

43444252232040 is a wasteful number, since it uses less digits than its factorization.

43444252232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732227007 (or 1732227003 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 43444252232040 its reverse (4023225244434), we get a palindrome (47467477476474).

The spelling of 43444252232040 in words is "forty-three trillion, four hundred forty-four billion, two hundred fifty-two million, two hundred thirty-two thousand, forty".