542021648 has 40 divisors (see below), whose sum is σ = 1201804032. Its totient is φ = 231982848.

The previous prime is 542021581. The next prime is 542021717. The reversal of 542021648 is 846120245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93161 + ... + 98807.

Almost surely, 2^542021648 is an apocalyptic number.

It is an amenable number.

542021648 is an abundant number, since it is smaller than the sum of its proper divisors (659782384).

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

542021648 is a wasteful number, since it uses less digits than its factorization.

542021648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 542021648 is about 23281.3583796135. The cubic root of 542021648 is about 815.3402410918.

The spelling of 542021648 in words is "five hundred forty-two million, twenty-one thousand, six hundred forty-eight".