542224643644 has 6 divisors (see below), whose sum is σ = 948893126384. Its totient is φ = 271112321820.

The previous prime is 542224643621. The next prime is 542224643659. The reversal of 542224643644 is 446346422245.

It is a junction number, because it is equal to n+sod(n) for n = 542224643594 and 542224643603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67778080452 + ... + 67778080459.

Almost surely, 2^542224643644 is an apocalyptic number.

It is an amenable number.

542224643644 is a deficient number, since it is larger than the sum of its proper divisors (406668482740).

542224643644 is a wasteful number, since it uses less digits than its factorization.

542224643644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135556160915 (or 135556160913 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 46.

The spelling of 542224643644 in words is "five hundred forty-two billion, two hundred twenty-four million, six hundred forty-three thousand, six hundred forty-four".