542044660550 has 12 divisors (see below), whose sum is σ = 1008203068716. Its totient is φ = 216817864200.

The previous prime is 542044660537. The next prime is 542044660559. The reversal of 542044660550 is 55066440245.

It is a junction number, because it is equal to n+sod(n) for n = 542044660498 and 542044660507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542044660559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5420446556 + ... + 5420446655.

It is an arithmetic number, because the mean of its divisors is an integer number (84016922393).

Almost surely, 2^542044660550 is an apocalyptic number.

542044660550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542044660550 is a deficient number, since it is larger than the sum of its proper divisors (466158408166).

542044660550 is a wasteful number, since it uses less digits than its factorization.

542044660550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840893223 (or 10840893218 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 542044660550 in words is "five hundred forty-two billion, forty-four million, six hundred sixty thousand, five hundred fifty".