43320441040 has 40 divisors (see below), whose sum is σ = 100739433960. Its totient is φ = 17324837376.

The previous prime is 43320441037. The next prime is 43320441053. The reversal of 43320441040 is 4014402334.

It can be written as a sum of positive squares in 4 ways, for example, as 30598405776 + 12722035264 = 174924^2 + 112792^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×43320441040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43320440996 and 43320441014.

It is a congruent number.

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, 388726 + ... + 487594.

It is an arithmetic number, because the mean of its divisors is an integer number (2518485849).

Almost surely, 2^43320441040 is an apocalyptic number.

43320441040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43320441040 is an abundant number, since it is smaller than the sum of its proper divisors (57418992920).

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

43320441040 is a wasteful number, since it uses less digits than its factorization.

43320441040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104359 (or 104353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43320441040 its reverse (4014402334), we get a palindrome (47334843374).

The spelling of 43320441040 in words is "forty-three billion, three hundred twenty million, four hundred forty-one thousand, forty".