1338554578048 has 32 divisors (see below), whose sum is σ = 2667191569920. Its totient is φ = 669141792000.

The previous prime is 1338554578001. The next prime is 1338554578057. The reversal of 1338554578048 is 8408754558331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422368 + ... + 1689823.

It is an arithmetic number, because the mean of its divisors is an integer number (83349736560).

Almost surely, 2^{1338554578048} is an apocalyptic number.

It is an amenable number.

1338554578048 is a deficient number, since it is larger than the sum of its proper divisors (1328636991872).

1338554578048 is an equidigital number, since it uses as much as digits as its factorization.

1338554578048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117156 (or 2117144 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 1338554578048 in words is "one trillion, three hundred thirty-eight billion, five hundred fifty-four million, five hundred seventy-eight thousand, forty-eight".