43140441321440 has 48 divisors (see below), whose sum is σ = 102097785469680. Its totient is φ = 17225955517440.

The previous prime is 43140441321407. The next prime is 43140441321563. The reversal of 43140441321440 is 4412314404134.

It is a super-2 number, since 2×43140441321440² (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 43140441321440.

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, 236010005 + ... + 236192724.

It is an arithmetic number, because the mean of its divisors is an integer number (2127037197285).

Almost surely, 2^{43140441321440} is an apocalyptic number.

43140441321440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43140441321440 is an abundant number, since it is smaller than the sum of its proper divisors (58957344148240).

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

43140441321440 is a wasteful number, since it uses less digits than its factorization.

43140441321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472203315 (or 472203307 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 43140441321440 its reverse (4412314404134), we get a palindrome (47552755725574).

The spelling of 43140441321440 in words is "forty-three trillion, one hundred forty billion, four hundred forty-one million, three hundred twenty-one thousand, four hundred forty".