1331440554352 has 10 divisors (see below), whose sum is σ = 2579666074088. Its totient is φ = 665720277168.

The previous prime is 1331440554347. The next prime is 1331440554401. The reversal of 1331440554352 is 2534550441331.

It is a super-2 number, since 2×1331440554352² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41607517308 + ... + 41607517339.

Almost surely, 2^{1331440554352} is an apocalyptic number.

It is an amenable number.

1331440554352 is a deficient number, since it is larger than the sum of its proper divisors (1248225519736).

1331440554352 is an equidigital number, since it uses as much as digits as its factorization.

1331440554352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83215034655 (or 83215034649 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 1331440554352 its reverse (2534550441331), we get a palindrome (3865990995683).

The spelling of 1331440554352 in words is "one trillion, three hundred thirty-one billion, four hundred forty million, five hundred fifty-four thousand, three hundred fifty-two".