1344445788890 has 16 divisors (see below), whose sum is σ = 2431471629600. Its totient is φ = 535229602320.

The previous prime is 1344445788887. The next prime is 1344445788913. The reversal of 1344445788890 is 988875444431.

It is a Curzon 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, 318586940 + ... + 318591159.

It is an arithmetic number, because the mean of its divisors is an integer number (151966976850).

Almost surely, 2^{1344445788890} is an apocalyptic number.

1344445788890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1344445788890 is a deficient number, since it is larger than the sum of its proper divisors (1087025840710).

1344445788890 is a wasteful number, since it uses less digits than its factorization.

1344445788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637178317.

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 1344445788890 in words is "one trillion, three hundred forty-four billion, four hundred forty-five million, seven hundred eighty-eight thousand, eight hundred ninety".