43243440103400 has 96 divisors (see below), whose sum is σ = 101290599576000. Its totient is φ = 17168451601920.

The previous prime is 43243440103363. The next prime is 43243440103403. The reversal of 43243440103400 is 430104434234.

It is a super-2 number, since 2×43243440103400² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43243440103403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181241381 + ... + 181479819.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110412250).

Almost surely, 2^{43243440103400} is an apocalyptic number.

43243440103400 is a gapful number since it is divisible by the number (40) 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 43243440103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50645299788000).

43243440103400 is an abundant number, since it is smaller than the sum of its proper divisors (58047159472600).

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

43243440103400 is a wasteful number, since it uses less digits than its factorization.

43243440103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245211 (or 245202 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 43243440103400 its reverse (430104434234), we get a palindrome (43673544537634).

The spelling of 43243440103400 in words is "forty-three trillion, two hundred forty-three billion, four hundred forty million, one hundred three thousand, four hundred".