542668672 has 64 divisors (see below), whose sum is σ = 1330610400. Its totient is φ = 214677504.

The previous prime is 542668663. The next prime is 542668673. The reversal of 542668672 is 276866245.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542668673) by changing a digit.

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, 11647 + ... + 34942.

Almost surely, 2^542668672 is an apocalyptic number.

542668672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

542668672 is the 11648-th decagonal number.

It is an amenable number.

542668672 is an abundant number, since it is smaller than the sum of its proper divisors (787941728).

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

542668672 is a wasteful number, since it uses less digits than its factorization.

542668672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46623 (or 46611 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 542668672 is about 23295.2499879267. The cubic root of 542668672 is about 815.6645423634.

The spelling of 542668672 in words is "five hundred forty-two million, six hundred sixty-eight thousand, six hundred seventy-two".