542422066656 has 48 divisors (see below), whose sum is σ = 1498797820800. Its totient is φ = 171291178368.

The previous prime is 542422066603. The next prime is 542422066657. The reversal of 542422066656 is 656660224245.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×542422066656² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542422066657) 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, 148688436 + ... + 148692083.

It is an arithmetic number, because the mean of its divisors is an integer number (31224954600).

Almost surely, 2^542422066656 is an apocalyptic number.

It is an amenable number.

542422066656 is an abundant number, since it is smaller than the sum of its proper divisors (956375754144).

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

542422066656 is a wasteful number, since it uses less digits than its factorization.

542422066656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297380551 (or 297380543 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 542422066656 in words is "five hundred forty-two billion, four hundred twenty-two million, sixty-six thousand, six hundred fifty-six".