1043344103400 has 480 divisors, whose sum is σ = 3811256064000. Its totient is φ = 264163161600.

The previous prime is 1043344103381. The next prime is 1043344103411. The reversal of 1043344103400 is 43014433401.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 119 ways as a sum of consecutive naturals, for example, 26597001 + ... + 26636199.

It is an arithmetic number, because the mean of its divisors is an integer number (7940116800).

Almost surely, 2^{1043344103400} is an apocalyptic number.

1043344103400 is a gapful number since it is divisible by the number (10) 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 1043344103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905628032000).

1043344103400 is an abundant number, since it is smaller than the sum of its proper divisors (2767911960600).

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

1043344103400 is a wasteful number, since it uses less digits than its factorization.

1043344103400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39311 (or 39293 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1043344103400 its reverse (43014433401), we get a palindrome (1086358536801).

The spelling of 1043344103400 in words is "one trillion, forty-three billion, three hundred forty-four million, one hundred three thousand, four hundred".