542440012 has 48 divisors (see below), whose sum is σ = 1064115360. Its totient is φ = 240694272.

The previous prime is 542440009. The next prime is 542440033. The reversal of 542440012 is 210044245.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 81598 + ... + 87994.

It is an arithmetic number, because the mean of its divisors is an integer number (22169070).

Almost surely, 2^542440012 is an apocalyptic number.

It is an amenable number.

542440012 is a deficient number, since it is larger than the sum of its proper divisors (521675348).

542440012 is a wasteful number, since it uses less digits than its factorization.

542440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 542440012 is about 23290.3416033342. The cubic root of 542440012 is about 815.5499628996.

Adding to 542440012 its reverse (210044245), we get a palindrome (752484257).

The spelling of 542440012 in words is "five hundred forty-two million, four hundred forty thousand, twelve".