542540260 has 24 divisors (see below), whose sum is σ = 1145636856. Its totient is φ = 215815680.

The previous prime is 542540239. The next prime is 542540281. The reversal of 542540260 is 62045245.

It is an interprime number because it is at equal distance from previous prime (542540239) and next prime (542540281).

It can be written as a sum of positive squares in 4 ways, for example, as 11329956 + 531210304 = 3366^2 + 23048^2 .

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 7 ways as a sum of consecutive naturals, for example, 71317 + ... + 78556.

It is an arithmetic number, because the mean of its divisors is an integer number (47734869).

Almost surely, 2^542540260 is an apocalyptic number.

It is an amenable number.

542540260 is an abundant number, since it is smaller than the sum of its proper divisors (603096596).

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

542540260 is a wasteful number, since it uses less digits than its factorization.

542540260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150063 (or 150061 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 542540260 is about 23292.4936406560. The cubic root of 542540260 is about 815.6002002315.

The spelling of 542540260 in words is "five hundred forty-two million, five hundred forty thousand, two hundred sixty".