533603640 has 64 divisors (see below), whose sum is σ = 1644089760. Its totient is φ = 138447360.

The previous prime is 533603639. The next prime is 533603669. The reversal of 533603640 is 46306335.

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 = 533603598 and 533603607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55651 + ... + 64530.

Almost surely, 2^533603640 is an apocalyptic number.

It is an amenable number.

533603640 is an abundant number, since it is smaller than the sum of its proper divisors (1110486120).

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

533603640 is a wasteful number, since it uses less digits than its factorization.

533603640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120232 (or 120228 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 533603640 is about 23099.8623372521. The cubic root of 533603640 is about 811.0972479161.

Adding to 533603640 its reverse (46306335), we get a palindrome (579909975).

The spelling of 533603640 in words is "five hundred thirty-three million, six hundred three thousand, six hundred forty".