542440532 has 12 divisors (see below), whose sum is σ = 950166420. Its totient is φ = 270964416.

The previous prime is 542440523. The next prime is 542440559. The reversal of 542440532 is 235044245.

It can be written as a sum of positive squares in 2 ways, for example, as 444113476 + 98327056 = 21074^2 + 9916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 542440495 and 542440504.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59153 + ... + 67704.

It is an arithmetic number, because the mean of its divisors is an integer number (79180535).

Almost surely, 2^542440532 is an apocalyptic number.

It is an amenable number.

542440532 is a deficient number, since it is larger than the sum of its proper divisors (407725888).

542440532 is a wasteful number, since it uses less digits than its factorization.

542440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127930 (or 127928 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 542440532 is about 23290.3527667573. The cubic root of 542440532 is about 815.5502235034.

Adding to 542440532 its reverse (235044245), we get a palindrome (777484777).

The spelling of 542440532 in words is "five hundred forty-two million, four hundred forty thousand, five hundred thirty-two".