1344622253664 has 96 divisors (see below), whose sum is σ = 3547250703360. Its totient is φ = 445975424000.

The previous prime is 1344622253657. The next prime is 1344622253677. The reversal of 1344622253664 is 4663522264431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1344622253664² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16948489 + ... + 17027639.

It is an arithmetic number, because the mean of its divisors is an integer number (36950528160).

Almost surely, 2^{1344622253664} is an apocalyptic number.

It is an amenable number.

1344622253664 is an abundant number, since it is smaller than the sum of its proper divisors (2202628449696).

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

1344622253664 is a wasteful number, since it uses less digits than its factorization.

1344622253664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80044 (or 80036 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 48.

The spelling of 1344622253664 in words is "one trillion, three hundred forty-four billion, six hundred twenty-two million, two hundred fifty-three thousand, six hundred sixty-four".