542666652 has 48 divisors (see below), whose sum is σ = 1415038464. Its totient is φ = 160432000.

The previous prime is 542666651. The next prime is 542666671. The reversal of 542666652 is 256666245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542666651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44724 + ... + 55547.

It is an arithmetic number, because the mean of its divisors is an integer number (29479968).

Almost surely, 2^542666652 is an apocalyptic number.

It is an amenable number.

542666652 is an abundant number, since it is smaller than the sum of its proper divisors (872371812).

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

542666652 is a wasteful number, since it uses less digits than its factorization.

542666652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100330 (or 100328 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 542666652 is about 23295.2066314081. The cubic root of 542666652 is about 815.6635303006.

The spelling of 542666652 in words is "five hundred forty-two million, six hundred sixty-six thousand, six hundred fifty-two".