542406044 has 12 divisors (see below), whose sum is σ = 949956000. Its totient is φ = 270990048.

The previous prime is 542406031. The next prime is 542406077. The reversal of 542406044 is 440604245.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 542405998 and 542406016.

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, 47444 + ... + 57755.

It is an arithmetic number, because the mean of its divisors is an integer number (79163000).

Almost surely, 2^542406044 is an apocalyptic number.

It is an amenable number.

542406044 is a deficient number, since it is larger than the sum of its proper divisors (407549956).

542406044 is a wasteful number, since it uses less digits than its factorization.

542406044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106492 (or 106490 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 542406044 is about 23289.6123625963. The cubic root of 542406044 is about 815.5329390943.

The spelling of 542406044 in words is "five hundred forty-two million, four hundred six thousand, forty-four".