533645460 has 36 divisors (see below), whose sum is σ = 1618725108. Its totient is φ = 142305408.

The previous prime is 533645417. The next prime is 533645461. The reversal of 533645460 is 64546335.

533645460 is a `hidden beast` number, since 5 + 3 + 3 + 645 + 4 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 478559376 = 7422^2 + 21876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×533645460² = 569554953957223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533645461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1482169 + ... + 1482528.

Almost surely, 2^533645460 is an apocalyptic number.

It is an amenable number.

533645460 is an abundant number, since it is smaller than the sum of its proper divisors (1085079648).

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

533645460 is a wasteful number, since it uses less digits than its factorization.

533645460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964712 (or 2964707 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 533645460 is about 23100.7675197167. The cubic root of 533645460 is about 811.1184366776.

The spelling of 533645460 in words is "five hundred thirty-three million, six hundred forty-five thousand, four hundred sixty".