546456544720 has 40 divisors (see below), whose sum is σ = 1270576747080. Its totient is φ = 218571386880.

The previous prime is 546456544703. The next prime is 546456544721. The reversal of 546456544720 is 27445654645.

It can be written as a sum of positive squares in 4 ways, for example, as 1847968144 + 544608576576 = 42988^2 + 737976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×546456544720² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546456544721) 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, 1489336 + ... + 1819624.

It is an arithmetic number, because the mean of its divisors is an integer number (31764418677).

Almost surely, 2^546456544720 is an apocalyptic number.

It is an amenable number.

546456544720 is an abundant number, since it is smaller than the sum of its proper divisors (724120202360).

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

546456544720 is a wasteful number, since it uses less digits than its factorization.

546456544720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350983 (or 350977 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 52.

The spelling of 546456544720 in words is "five hundred forty-six billion, four hundred fifty-six million, five hundred forty-four thousand, seven hundred twenty".