1533041440 has 72 divisors (see below), whose sum is σ = 4213147932. Its totient is φ = 525611520.

The previous prime is 1533041431. The next prime is 1533041473. The reversal of 1533041440 is 441403351.

It can be written as a sum of positive squares in 2 ways, for example, as 1380568336 + 152473104 = 37156^2 + 12348^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 89931 + ... + 105610.

Almost surely, 2^1533041440 is an apocalyptic number.

1533041440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1533041440 is an abundant number, since it is smaller than the sum of its proper divisors (2680106492).

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

1533041440 is a wasteful number, since it uses less digits than its factorization.

1533041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195570 (or 195555 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1533041440 is about 39154.0730959117. The cubic root of 1533041440 is about 1153.0583846428.

Adding to 1533041440 its reverse (441403351), we get a palindrome (1974444791).

The spelling of 1533041440 in words is "one billion, five hundred thirty-three million, forty-one thousand, four hundred forty".