542215446 has 8 divisors (see below), whose sum is σ = 1084430904. Its totient is φ = 180738480.

The previous prime is 542215361. The next prime is 542215469. The reversal of 542215446 is 644512245.

It is a sphenic number, since it is the product of 3 distinct primes.

542215446 is an admirable number.

It is a congruent number.

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, 45184615 + ... + 45184626.

It is an arithmetic number, because the mean of its divisors is an integer number (135553863).

Almost surely, 2^542215446 is an apocalyptic number.

542215446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

542215446 is a wasteful number, since it uses less digits than its factorization.

542215446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90369246.

The product of its digits is 38400, while the sum is 33.

The square root of 542215446 is about 23285.5200929676. The cubic root of 542215446 is about 815.4374035577.

The spelling of 542215446 in words is "five hundred forty-two million, two hundred fifteen thousand, four hundred forty-six".