542043644424 has 128 divisors (see below), whose sum is σ = 1390100849280. Its totient is φ = 176075827200.

The previous prime is 542043644393. The next prime is 542043644447. The reversal of 542043644424 is 424446340245.

It is a super-2 number, since 2×542043644424² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114521962 + ... + 114526694.

It is an arithmetic number, because the mean of its divisors is an integer number (10860162885).

Almost surely, 2^542043644424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542043644424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695050424640).

542043644424 is an abundant number, since it is smaller than the sum of its proper divisors (848057204856).

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

542043644424 is a wasteful number, since it uses less digits than its factorization.

542043644424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 42.

Adding to 542043644424 its reverse (424446340245), we get a palindrome (966489984669).

The spelling of 542043644424 in words is "five hundred forty-two billion, forty-three million, six hundred forty-four thousand, four hundred twenty-four".