43213313400040 has 32 divisors (see below), whose sum is σ = 111119948743680. Its totient is φ = 14815993165632.

The previous prime is 43213313399987. The next prime is 43213313400071. The reversal of 43213313400040 is 4000431331234.

43213313400040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 43213313399981 and 43213313400008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77166630792 + ... + 77166631351.

It is an arithmetic number, because the mean of its divisors is an integer number (3472498398240).

Almost surely, 2^{43213313400040} is an apocalyptic number.

43213313400040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43213313400040 is an abundant number, since it is smaller than the sum of its proper divisors (67906635343640).

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

43213313400040 is a wasteful number, since it uses less digits than its factorization.

43213313400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154333262161 (or 154333262157 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 43213313400040 its reverse (4000431331234), we get a palindrome (47213744731274).

The spelling of 43213313400040 in words is "forty-three trillion, two hundred thirteen billion, three hundred thirteen million, four hundred thousand, forty".