546636234640 has 80 divisors (see below), whose sum is σ = 1283089305600. Its totient is φ = 216568235520.

The previous prime is 546636234629. The next prime is 546636234671. The reversal of 546636234640 is 46432636645.

It is a happy number.

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

It is a super-2 number, since 2×546636234640² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6040930 + ... + 6130750.

It is an arithmetic number, because the mean of its divisors is an integer number (16038616320).

Almost surely, 2^546636234640 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 546636234640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641544652800).

546636234640 is an abundant number, since it is smaller than the sum of its proper divisors (736453070960).

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

546636234640 is a wasteful number, since it uses less digits than its factorization.

546636234640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90560 (or 90554 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 546636234640 in words is "five hundred forty-six billion, six hundred thirty-six million, two hundred thirty-four thousand, six hundred forty".