1331440023210 has 128 divisors (see below), whose sum is σ = 3585510061056. Its totient is φ = 313632829440.

The previous prime is 1331440023209. The next prime is 1331440023223. The reversal of 1331440023210 is 123200441331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2495589 + ... + 2981751.

It is an arithmetic number, because the mean of its divisors is an integer number (28011797352).

Almost surely, 2^{1331440023210} is an apocalyptic number.

1331440023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331440023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792755030528).

1331440023210 is an abundant number, since it is smaller than the sum of its proper divisors (2254070037846).

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

1331440023210 is a wasteful number, since it uses less digits than its factorization.

1331440023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486420.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1331440023210 its reverse (123200441331), we get a palindrome (1454640464541).

The spelling of 1331440023210 in words is "one trillion, three hundred thirty-one billion, four hundred forty million, twenty-three thousand, two hundred ten".