542044012450 has 12 divisors (see below), whose sum is σ = 1008201863250. Its totient is φ = 216817604960.

The previous prime is 542044012441. The next prime is 542044012493. The reversal of 542044012450 is 54210440245.

It can be written as a sum of positive squares in 3 ways, for example, as 279892844401 + 262151168049 = 529049^2 + 512007^2 .

It is a super-4 number, since 4×542044012450⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5420440075 + ... + 5420440174.

Almost surely, 2^542044012450 is an apocalyptic number.

542044012450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542044012450 is a deficient number, since it is larger than the sum of its proper divisors (466157850800).

542044012450 is a wasteful number, since it uses less digits than its factorization.

542044012450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840880261 (or 10840880256 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 542044012450 its reverse (54210440245), we get a palindrome (596254452695).

The spelling of 542044012450 in words is "five hundred forty-two billion, forty-four million, twelve thousand, four hundred fifty".