542452402544 has 40 divisors (see below), whose sum is σ = 1132107123840. Its totient is φ = 250305285888.

The previous prime is 542452402543. The next prime is 542452402549. The reversal of 542452402544 is 445204254245.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542452402543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618017 + ... + 1211135.

It is an arithmetic number, because the mean of its divisors is an integer number (28302678096).

Almost surely, 2^542452402544 is an apocalyptic number.

It is an amenable number.

542452402544 is an abundant number, since it is smaller than the sum of its proper divisors (589654721296).

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

542452402544 is a wasteful number, since it uses less digits than its factorization.

542452402544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597537 (or 597531 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 41.

Adding to 542452402544 its reverse (445204254245), we get a palindrome (987656656789).

The spelling of 542452402544 in words is "five hundred forty-two billion, four hundred fifty-two million, four hundred two thousand, five hundred forty-four".