1344633061240 has 128 divisors (see below), whose sum is σ = 3587661803520. Its totient is φ = 443833344000.

The previous prime is 1344633061229. The next prime is 1344633061241. The reversal of 1344633061240 is 421603364431.

It is a self number, because there is not a number n which added to its sum of digits gives 1344633061240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344633061241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1273915 + ... + 2076565.

It is an arithmetic number, because the mean of its divisors is an integer number (28028607840).

Almost surely, 2^{1344633061240} is an apocalyptic number.

1344633061240 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 1344633061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793830901760).

1344633061240 is an abundant number, since it is smaller than the sum of its proper divisors (2243028742280).

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

1344633061240 is a wasteful number, since it uses less digits than its factorization.

1344633061240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802893 (or 802889 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 1344633061240 in words is "one trillion, three hundred forty-four billion, six hundred thirty-three million, sixty-one thousand, two hundred forty".