546405300006640 has 80 divisors (see below), whose sum is σ = 1355573639296800. Its totient is φ = 204222427877376.

The previous prime is 546405300006619. The next prime is 546405300006733. The reversal of 546405300006640 is 46600003504645.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462061445 + ... + 2462283364.

It is an arithmetic number, because the mean of its divisors is an integer number (16944670491210).

Almost surely, 2^{546405300006640} is an apocalyptic number.

It is an amenable number.

546405300006640 is an abundant number, since it is smaller than the sum of its proper divisors (809168339290160).

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

546405300006640 is a wasteful number, since it uses less digits than its factorization.

546405300006640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924344914 (or 4924344908 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 546405300006640 in words is "five hundred forty-six trillion, four hundred five billion, three hundred million, six thousand, six hundred forty".