1003231340440 has 64 divisors (see below), whose sum is σ = 2594149804800. Its totient is φ = 342043421568.

The previous prime is 1003231340429. The next prime is 1003231340473. The reversal of 1003231340440 is 440431323001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9958174 + ... + 10058413.

It is an arithmetic number, because the mean of its divisors is an integer number (40533590700).

Almost surely, 2^{1003231340440} is an apocalyptic number.

1003231340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003231340440 is an abundant number, since it is smaller than the sum of its proper divisors (1590918464360).

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

1003231340440 is a wasteful number, since it uses less digits than its factorization.

1003231340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20016784 (or 20016780 counting only the distinct ones).

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

Adding to 1003231340440 its reverse (440431323001), we get a palindrome (1443662663441).

The spelling of 1003231340440 in words is "one trillion, three billion, two hundred thirty-one million, three hundred forty thousand, four hundred forty".