542456456 has 16 divisors (see below), whose sum is σ = 1027177740. Its totient is φ = 268542400.

The previous prime is 542456437. The next prime is 542456491. The reversal of 542456456 is 654654245.

It can be written as a sum of positive squares in 2 ways, for example, as 471324100 + 71132356 = 21710^2 + 8434^2 .

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 3 ways as a sum of consecutive naturals, for example, 334871 + ... + 336486.

Almost surely, 2^542456456 is an apocalyptic number.

It is an amenable number.

542456456 is a deficient number, since it is larger than the sum of its proper divisors (484721284).

542456456 is a wasteful number, since it uses less digits than its factorization.

542456456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671464 (or 671460 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 542456456 is about 23290.6946225311. The cubic root of 542456456 is about 815.5582039141.

The spelling of 542456456 in words is "five hundred forty-two million, four hundred fifty-six thousand, four hundred fifty-six".