542446626 has 16 divisors (see below), whose sum is σ = 1105363584. Its totient is φ = 177403824.

The previous prime is 542446621. The next prime is 542446699. The reversal of 542446626 is 626644245.

It is not an unprimeable number, because it can be changed into a prime (542446621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852586 + ... + 853221.

It is an arithmetic number, because the mean of its divisors is an integer number (69085224).

Almost surely, 2^542446626 is an apocalyptic number.

542446626 is an abundant number, since it is smaller than the sum of its proper divisors (562916958).

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

542446626 is a wasteful number, since it uses less digits than its factorization.

542446626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705865.

The product of its digits is 276480, while the sum is 39.

The square root of 542446626 is about 23290.4835930901. The cubic root of 542446626 is about 815.5532775675.

The spelling of 542446626 in words is "five hundred forty-two million, four hundred forty-six thousand, six hundred twenty-six".