542310431620 has 12 divisors (see below), whose sum is σ = 1138851906444. Its totient is φ = 216924172640.

The previous prime is 542310431599. The next prime is 542310431701. The reversal of 542310431620 is 26134013245.

It can be written as a sum of positive squares in 2 ways, for example, as 101074398084 + 441236033536 = 317922^2 + 664256^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13557760771 + ... + 13557760810.

It is an arithmetic number, because the mean of its divisors is an integer number (94904325537).

Almost surely, 2^542310431620 is an apocalyptic number.

It is an amenable number.

542310431620 is an abundant number, since it is smaller than the sum of its proper divisors (596541474824).

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

542310431620 is a wasteful number, since it uses less digits than its factorization.

542310431620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27115521590 (or 27115521588 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 542310431620 its reverse (26134013245), we get a palindrome (568444444865).

The spelling of 542310431620 in words is "five hundred forty-two billion, three hundred ten million, four hundred thirty-one thousand, six hundred twenty".