1344622253658 has 16 divisors (see below), whose sum is σ = 2689257122496. Its totient is φ = 448205315360.

The previous prime is 1344622253657. The next prime is 1344622253677. The reversal of 1344622253658 is 8563522264431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344622253658.

It is not an unprimeable number, because it can be changed into a prime (1344622253657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406110 + ... + 2160182.

It is an arithmetic number, because the mean of its divisors is an integer number (168078570156).

Almost surely, 2^{1344622253658} is an apocalyptic number.

1344622253658 is an abundant number, since it is smaller than the sum of its proper divisors (1344634868838).

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

1344622253658 is a wasteful number, since it uses less digits than its factorization.

1344622253658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051269.

The product of its digits is 8294400, while the sum is 51.

The spelling of 1344622253658 in words is "one trillion, three hundred forty-four billion, six hundred twenty-two million, two hundred fifty-three thousand, six hundred fifty-eight".