542434405020 has 24 divisors (see below), whose sum is σ = 1518816334224. Its totient is φ = 144649174656.

The previous prime is 542434404977. The next prime is 542434405033. The reversal of 542434405020 is 20504434245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4520286649 + ... + 4520286768.

It is an arithmetic number, because the mean of its divisors is an integer number (63284013926).

Almost surely, 2^542434405020 is an apocalyptic number.

It is an amenable number.

542434405020 is an abundant number, since it is smaller than the sum of its proper divisors (976381929204).

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

542434405020 is a wasteful number, since it uses less digits than its factorization.

542434405020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040573429 (or 9040573427 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 542434405020 its reverse (20504434245), we get a palindrome (562938839265).

The spelling of 542434405020 in words is "five hundred forty-two billion, four hundred thirty-four million, four hundred five thousand, twenty".