533144640 has 112 divisors (see below), whose sum is σ = 1934577792. Its totient is φ = 121860096.

The previous prime is 533144597. The next prime is 533144657. The reversal of 533144640 is 46441335.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 533144598 and 533144607.

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 15 ways as a sum of consecutive naturals, for example, 32949 + ... + 46388.

It is an arithmetic number, because the mean of its divisors is an integer number (17273016).

Almost surely, 2^533144640 is an apocalyptic number.

It is an amenable number.

533144640 is an abundant number, since it is smaller than the sum of its proper divisors (1401433152).

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

533144640 is a wasteful number, since it uses less digits than its factorization.

533144640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79364 (or 79354 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 533144640 is about 23089.9250756688. The cubic root of 533144640 is about 810.8646155478.

Adding to 533144640 its reverse (46441335), we get a palindrome (579585975).

The spelling of 533144640 in words is "five hundred thirty-three million, one hundred forty-four thousand, six hundred forty".