1044405144340 has 24 divisors (see below), whose sum is σ = 2206384048512. Its totient is φ = 415260487200.

The previous prime is 1044405144319. The next prime is 1044405144439. The reversal of 1044405144340 is 434415044401.

It is a junction number, because it is equal to n+sod(n) for n = 1044405144296 and 1044405144305.

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, 156344736 + ... + 156351415.

It is an arithmetic number, because the mean of its divisors is an integer number (91932668688).

Almost surely, 2^{1044405144340} is an apocalyptic number.

1044405144340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044405144340 is an abundant number, since it is smaller than the sum of its proper divisors (1161978904172).

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

1044405144340 is a wasteful number, since it uses less digits than its factorization.

1044405144340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312696327 (or 312696325 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 1044405144340 in words is "one trillion, forty-four billion, four hundred five million, one hundred forty-four thousand, three hundred forty".