1032313040440 has 128 divisors (see below), whose sum is σ = 2634405016320. Its totient is φ = 360764236800.

The previous prime is 1032313040309. The next prime is 1032313040441. The reversal of 1032313040440 is 440403132301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032313040441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781639 + ... + 1635721.

It is an arithmetic number, because the mean of its divisors is an integer number (20581289190).

Almost surely, 2^{1032313040440} is an apocalyptic number.

1032313040440 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 1032313040440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317202508160).

1032313040440 is an abundant number, since it is smaller than the sum of its proper divisors (1602091975880).

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

1032313040440 is a wasteful number, since it uses less digits than its factorization.

1032313040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854213 (or 854209 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1032313040440 its reverse (440403132301), we get a palindrome (1472716172741).

The spelling of 1032313040440 in words is "one trillion, thirty-two billion, three hundred thirteen million, forty thousand, four hundred forty".