542045034642 has 16 divisors (see below), whose sum is σ = 1084097292192. Its totient is φ = 180680474400.

The previous prime is 542045034617. The next prime is 542045034647. The reversal of 542045034642 is 246430540245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 542045034642.

It is not an unprimeable number, because it can be changed into a prime (542045034647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556142 + ... + 1872342.

It is an arithmetic number, because the mean of its divisors is an integer number (67756080762).

Almost surely, 2^542045034642 is an apocalyptic number.

542045034642 is an abundant number, since it is smaller than the sum of its proper divisors (542052257550).

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

542045034642 is a wasteful number, since it uses less digits than its factorization.

542045034642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601913.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 542045034642 its reverse (246430540245), we get a palindrome (788475574887).

The spelling of 542045034642 in words is "five hundred forty-two billion, forty-five million, thirty-four thousand, six hundred forty-two".