533405040 has 80 divisors (see below), whose sum is σ = 1889783808. Its totient is φ = 121920768.

The previous prime is 533405011. The next prime is 533405051. The reversal of 533405040 is 40504335.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 533405040.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 157072 + ... + 160431.

Almost surely, 2^533405040 is an apocalyptic number.

It is an amenable number.

533405040 is an abundant number, since it is smaller than the sum of its proper divisors (1356378768).

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

533405040 is a wasteful number, since it uses less digits than its factorization.

533405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317526 (or 317520 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 533405040 is about 23095.5632102792. The cubic root of 533405040 is about 810.9966089837.

Adding to 533405040 its reverse (40504335), we get a palindrome (573909375).

The spelling of 533405040 in words is "five hundred thirty-three million, four hundred five thousand, forty".