542008407 has 4 divisors (see below), whose sum is σ = 722677880. Its totient is φ = 361338936.

The previous prime is 542008373. The next prime is 542008417. The reversal of 542008407 is 704800245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542008407 - 2¹⁰ = 542007383 is a prime.

It is a super-2 number, since 2×542008407² = 587546226517355298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542008417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90334732 + ... + 90334737.

It is an arithmetic number, because the mean of its divisors is an integer number (180669470).

Almost surely, 2^542008407 is an apocalyptic number.

542008407 is a deficient number, since it is larger than the sum of its proper divisors (180669473).

542008407 is a wasteful number, since it uses less digits than its factorization.

542008407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180669472.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 542008407 is about 23281.0740087308. The cubic root of 542008407 is about 815.3336017457. Note that the first 3 decimals are identical.

The spelling of 542008407 in words is "five hundred forty-two million, eight thousand, four hundred seven".