1021304425344 has 384 divisors, whose sum is σ = 3211048944000. Its totient is φ = 286711197696.

The previous prime is 1021304425343. The next prime is 1021304425399. The reversal of 1021304425344 is 4435244031201.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021304425343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 659330682 + ... + 659332230.

It is an arithmetic number, because the mean of its divisors is an integer number (8362106625).

Almost surely, 2^{1021304425344} is an apocalyptic number.

1021304425344 is a gapful number since it is divisible by the number (14) 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 1021304425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605524472000).

1021304425344 is an abundant number, since it is smaller than the sum of its proper divisors (2189744518656).

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

1021304425344 is a wasteful number, since it uses less digits than its factorization.

1021304425344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1021304425344 its reverse (4435244031201), we get a palindrome (5456548456545).

The spelling of 1021304425344 in words is "one trillion, twenty-one billion, three hundred four million, four hundred twenty-five thousand, three hundred forty-four".