542495860 has 24 divisors (see below), whose sum is σ = 1142636040. Its totient is φ = 216351744.

The previous prime is 542495843. The next prime is 542495861. The reversal of 542495860 is 68594245.

It can be written as a sum of positive squares in 4 ways, for example, as 135908964 + 406586896 = 11658^2 + 20164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542495861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33505 + ... + 46984.

It is an arithmetic number, because the mean of its divisors is an integer number (47609835).

Almost surely, 2^542495860 is an apocalyptic number.

It is an amenable number.

542495860 is an abundant number, since it is smaller than the sum of its proper divisors (600140180).

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

542495860 is a wasteful number, since it uses less digits than its factorization.

542495860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80835 (or 80833 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 542495860 is about 23291.5405244050. The cubic root of 542495860 is about 815.5779508001.

The spelling of 542495860 in words is "five hundred forty-two million, four hundred ninety-five thousand, eight hundred sixty".