543642264 has 48 divisors (see below), whose sum is σ = 1606218120. Its totient is φ = 164739840.

The previous prime is 543642263. The next prime is 543642289. The reversal of 543642264 is 462246345.

543642264 is a `hidden beast` number, since 5 + 4 + 3 + 642 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×543642264² = 591093822414091392, 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 (543642263) 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, 342417 + ... + 344000.

Almost surely, 2^543642264 is an apocalyptic number.

It is an amenable number.

543642264 is an abundant number, since it is smaller than the sum of its proper divisors (1062575856).

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

543642264 is a wasteful number, since it uses less digits than its factorization.

543642264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686440 (or 686433 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 543642264 is about 23316.1374159615. The cubic root of 543642264 is about 816.1520405852.

The spelling of 543642264 in words is "five hundred forty-three million, six hundred forty-two thousand, two hundred sixty-four".