542229903938 has 18 divisors (see below), whose sum is σ = 832768508889. Its totient is φ = 264788084232.

The previous prime is 542229903907. The next prime is 542229903961. The reversal of 542229903938 is 839309922245.

It can be written as a sum of positive squares in 2 ways, for example, as 300625213849 + 241604690089 = 548293^2 + 491533^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=520687.

It is a super-2 number, since 2×542229903938² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44773028 + ... + 44785136.

Almost surely, 2^542229903938 is an apocalyptic number.

542229903938 is a deficient number, since it is larger than the sum of its proper divisors (290538604951).

542229903938 is an frugal number, since it uses more digits than its factorization.

542229903938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24306 (or 12154 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 542229903938 in words is "five hundred forty-two billion, two hundred twenty-nine million, nine hundred three thousand, nine hundred thirty-eight".