542440515 has 8 divisors (see below), whose sum is σ = 867904848. Its totient is φ = 289301600.

The previous prime is 542440501. The next prime is 542440523. The reversal of 542440515 is 515044245.

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

It is not a de Polignac number, because 542440515 - 2⁸ = 542440259 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18081336 + ... + 18081365.

It is an arithmetic number, because the mean of its divisors is an integer number (108488106).

Almost surely, 2^542440515 is an apocalyptic number.

542440515 is a deficient number, since it is larger than the sum of its proper divisors (325464333).

542440515 is a wasteful number, since it uses less digits than its factorization.

542440515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36162709.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 542440515 is about 23290.3524017993. The cubic root of 542440515 is about 815.5502149837.

The spelling of 542440515 in words is "five hundred forty-two million, four hundred forty thousand, five hundred fifteen".