542731957720 has 128 divisors (see below), whose sum is σ = 1341914688000. Its totient is φ = 196635479040.

The previous prime is 542731957687. The next prime is 542731957723. The reversal of 542731957720 is 27759137245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542731957723) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47732196 + ... + 47743564.

It is an arithmetic number, because the mean of its divisors is an integer number (10483708500).

Almost surely, 2^542731957720 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 542731957720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670957344000).

542731957720 is an abundant number, since it is smaller than the sum of its proper divisors (799182730280).

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

542731957720 is a wasteful number, since it uses less digits than its factorization.

542731957720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14153 (or 14149 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 542731957720 in words is "five hundred forty-two billion, seven hundred thirty-one million, nine hundred fifty-seven thousand, seven hundred twenty".