1333401444 has 18 divisors (see below), whose sum is σ = 3370542630. Its totient is φ = 444467136.

The previous prime is 1333401439. The next prime is 1333401457. The reversal of 1333401444 is 4441043331.

It can be written as a sum of positive squares in only one way, i.e., 905408100 + 427993344 = 30090^2 + 20688^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1333401444² = 3555918821722570272, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 18519429 + ... + 18519500.

Almost surely, 2^1333401444 is an apocalyptic number.

It is an amenable number.

1333401444 is an abundant number, since it is smaller than the sum of its proper divisors (2037141186).

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

1333401444 is a wasteful number, since it uses less digits than its factorization.

1333401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37038939 (or 37038934 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1333401444 is about 36515.7697988143. The cubic root of 1333401444 is about 1100.6611573513.

Adding to 1333401444 its reverse (4441043331), we get a palindrome (5774444775).

The spelling of 1333401444 in words is "one billion, three hundred thirty-three million, four hundred one thousand, four hundred forty-four".