533007640 has 32 divisors (see below), whose sum is σ = 1308292560. Its totient is φ = 193820800.

The previous prime is 533007619. The next prime is 533007649. The reversal of 533007640 is 46700335.

It is a junction number, because it is equal to n+sod(n) for n = 533007599 and 533007608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533007649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605251 + ... + 606130.

Almost surely, 2^533007640 is an apocalyptic number.

It is an amenable number.

533007640 is an abundant number, since it is smaller than the sum of its proper divisors (775284920).

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

533007640 is a wasteful number, since it uses less digits than its factorization.

533007640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211403 (or 1211399 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 533007640 is about 23086.9582232047. The cubic root of 533007640 is about 810.7951547419.

Adding to 533007640 its reverse (46700335), we get a palindrome (579707975).

The spelling of 533007640 in words is "five hundred thirty-three million, seven thousand, six hundred forty".