542660920 has 16 divisors (see below), whose sum is σ = 1220987160. Its totient is φ = 217064352.

The previous prime is 542660891. The next prime is 542660947. The reversal of 542660920 is 29066245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6783222 + ... + 6783301.

Almost surely, 2^542660920 is an apocalyptic number.

It is an amenable number.

542660920 is an abundant number, since it is smaller than the sum of its proper divisors (678326240).

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

542660920 is a wasteful number, since it uses less digits than its factorization.

542660920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566534 (or 13566530 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 542660920 is about 23295.0836014812. The cubic root of 542660920 is about 815.6606584333.

The spelling of 542660920 in words is "five hundred forty-two million, six hundred sixty thousand, nine hundred twenty".