542567664 has 30 divisors (see below), whose sum is σ = 1518436296. Its totient is φ = 180855840.

The previous prime is 542567653. The next prime is 542567689. The reversal of 542567664 is 466765245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1883772 + ... + 1884059.

Almost surely, 2^542567664 is an apocalyptic number.

It is an amenable number.

542567664 is an abundant number, since it is smaller than the sum of its proper divisors (975868632).

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

542567664 is a wasteful number, since it uses less digits than its factorization.

542567664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767845 (or 3767836 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 542567664 is about 23293.0818914114. The cubic root of 542567664 is about 815.6139321350.

The spelling of 542567664 in words is "five hundred forty-two million, five hundred sixty-seven thousand, six hundred sixty-four".