542256064 has 28 divisors (see below), whose sum is σ = 1229760304. Its totient is φ = 232395264.

The previous prime is 542256059. The next prime is 542256103. The reversal of 542256064 is 460652245.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604749 + ... + 605644.

Almost surely, 2^542256064 is an apocalyptic number.

It is an amenable number.

542256064 is an abundant number, since it is smaller than the sum of its proper divisors (687504240).

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

542256064 is a wasteful number, since it uses less digits than its factorization.

542256064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210412 (or 1210402 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 542256064 is about 23286.3922495521. The cubic root of 542256064 is about 815.4577648425.

The spelling of 542256064 in words is "five hundred forty-two million, two hundred fifty-six thousand, sixty-four".