1331449504 has 96 divisors (see below), whose sum is σ = 3373719552. Its totient is φ = 501984000.

The previous prime is 1331449487. The next prime is 1331449513. The reversal of 1331449504 is 4059441331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331449504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67669 + ... + 85099.

It is an arithmetic number, because the mean of its divisors is an integer number (35142912).

Almost surely, 2^1331449504 is an apocalyptic number.

1331449504 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 1331449504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686859776).

1331449504 is an abundant number, since it is smaller than the sum of its proper divisors (2042270048).

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

1331449504 is a wasteful number, since it uses less digits than its factorization.

1331449504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490 (or 17482 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1331449504 is about 36489.0326536618. The cubic root of 1331449504 is about 1100.1238163657.

The spelling of 1331449504 in words is "one billion, three hundred thirty-one million, four hundred forty-nine thousand, five hundred four".