1333321040 has 40 divisors (see below), whose sum is σ = 3234757248. Its totient is φ = 510139520.

The previous prime is 1333321039. The next prime is 1333321043. The reversal of 1333321040 is 401233331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333321043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 360476 + ... + 364155.

Almost surely, 2^1333321040 is an apocalyptic number.

1333321040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333321040 is an abundant number, since it is smaller than the sum of its proper divisors (1901436208).

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

1333321040 is a wasteful number, since it uses less digits than its factorization.

1333321040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724667 (or 724661 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1333321040 is about 36514.6688332237. The cubic root of 1333321040 is about 1100.6390336468.

Adding to 1333321040 its reverse (401233331), we get a palindrome (1734554371).

The spelling of 1333321040 in words is "one billion, three hundred thirty-three million, three hundred twenty-one thousand, forty".