542840319 has 64 divisors (see below), whose sum is σ = 966574080. Its totient is φ = 294386400.

The previous prime is 542840261. The next prime is 542840327. The reversal of 542840319 is 913048245.

542840319 is a `hidden beast` number, since 542 + 84 + 0 + 31 + 9 = 666.

It is not a de Polignac number, because 542840319 - 2⁹ = 542839807 is a prime.

It is a super-2 number, since 2×542840319² = 589351223864043522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542840329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 655984 + ... + 656810.

It is an arithmetic number, because the mean of its divisors is an integer number (15102720).

Almost surely, 2^542840319 is an apocalyptic number.

542840319 is a deficient number, since it is larger than the sum of its proper divisors (423733761).

542840319 is a wasteful number, since it uses less digits than its factorization.

542840319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 542840319 is about 23298.9338597284. The cubic root of 542840319 is about 815.7505319799.

The spelling of 542840319 in words is "five hundred forty-two million, eight hundred forty thousand, three hundred nineteen".