542777178944 has 224 divisors, whose sum is σ = 1473435484416. Its totient is φ = 191520276480.

The previous prime is 542777178943. The next prime is 542777178989. The reversal of 542777178944 is 449871777245.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542777178941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3315464 + ... + 3475320.

It is an arithmetic number, because the mean of its divisors is an integer number (6577836984).

Almost surely, 2^542777178944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542777178944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736717742208).

542777178944 is an abundant number, since it is smaller than the sum of its proper divisors (930658305472).

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

542777178944 is a wasteful number, since it uses less digits than its factorization.

542777178944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159953 (or 159943 counting only the distinct ones).

The product of its digits is 110638080, while the sum is 65.

The spelling of 542777178944 in words is "five hundred forty-two billion, seven hundred seventy-seven million, one hundred seventy-eight thousand, nine hundred forty-four".