1322444330040 has 128 divisors (see below), whose sum is σ = 4177042329600. Its totient is φ = 334019013120.

The previous prime is 1322444330023. The next prime is 1322444330069. The reversal of 1322444330040 is 400334442231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10913385 + ... + 11033895.

It is an arithmetic number, because the mean of its divisors is an integer number (32633143200).

Almost surely, 2^{1322444330040} is an apocalyptic number.

1322444330040 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 1322444330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088521164800).

1322444330040 is an abundant number, since it is smaller than the sum of its proper divisors (2854597999560).

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

1322444330040 is a wasteful number, since it uses less digits than its factorization.

1322444330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125357 (or 125353 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1322444330040 its reverse (400334442231), we get a palindrome (1722778772271).

The spelling of 1322444330040 in words is "one trillion, three hundred twenty-two billion, four hundred forty-four million, three hundred thirty thousand, forty".