542043641544 has 16 divisors (see below), whose sum is σ = 1355109103920. Its totient is φ = 180681213840.

The previous prime is 542043641519. The next prime is 542043641593. The reversal of 542043641544 is 445146340245.

It is a super-2 number, since 2×542043641544² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542043641496 and 542043641505.

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, 11292575842 + ... + 11292575889.

It is an arithmetic number, because the mean of its divisors is an integer number (84694318995).

Almost surely, 2^542043641544 is an apocalyptic number.

It is an amenable number.

542043641544 is an abundant number, since it is smaller than the sum of its proper divisors (813065462376).

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

542043641544 is a wasteful number, since it uses less digits than its factorization.

542043641544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22585151740 (or 22585151736 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 542043641544 its reverse (445146340245), we get a palindrome (987189981789).

The spelling of 542043641544 in words is "five hundred forty-two billion, forty-three million, six hundred forty-one thousand, five hundred forty-four".