43400422431344 has 160 divisors (see below), whose sum is σ = 95818226883840. Its totient is φ = 18862214604800.

The previous prime is 43400422431323. The next prime is 43400422431361. The reversal of 43400422431344 is 44313422400434.

43400422431344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43400422431298 and 43400422431307.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1644378212 + ... + 1644404604.

It is an arithmetic number, because the mean of its divisors is an integer number (598863918024).

Almost surely, 2^{43400422431344} is an apocalyptic number.

43400422431344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43400422431344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47909113441920).

43400422431344 is an abundant number, since it is smaller than the sum of its proper divisors (52417804452496).

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

43400422431344 is a wasteful number, since it uses less digits than its factorization.

43400422431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29559 (or 29553 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 43400422431344 its reverse (44313422400434), we get a palindrome (87713844831778).

The spelling of 43400422431344 in words is "forty-three trillion, four hundred billion, four hundred twenty-two million, four hundred thirty-one thousand, three hundred forty-four".