542044015406 has 8 divisors (see below), whose sum is σ = 813069843384. Its totient is φ = 271020734280.

The previous prime is 542044015397. The next prime is 542044015423. The reversal of 542044015406 is 604510440245.

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

It is a Curzon number.

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, 38621 + ... + 1041911.

It is an arithmetic number, because the mean of its divisors is an integer number (101633730423).

Almost surely, 2^542044015406 is an apocalyptic number.

542044015406 is a deficient number, since it is larger than the sum of its proper divisors (271025827978).

542044015406 is a wasteful number, since it uses less digits than its factorization.

542044015406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273426.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 542044015406 in words is "five hundred forty-two billion, forty-four million, fifteen thousand, four hundred six".