546302240640 has 512 divisors, whose sum is σ = 2206236009600. Its totient is φ = 126563254272.

The previous prime is 546302240621. The next prime is 546302240641. The reversal of 546302240640 is 46042203645.

546302240640 is a `hidden beast` number, since 5 + 4 + 6 + 3 + 0 + 2 + 2 + 4 + 0 + 640 = 666.

It is a super-2 number, since 2×546302240640² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 546302240595 and 546302240604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546302240641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3747354 + ... + 3890406.

Almost surely, 2^546302240640 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 546302240640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103118004800).

546302240640 is an abundant number, since it is smaller than the sum of its proper divisors (1659933768960).

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

546302240640 is a wasteful number, since it uses less digits than its factorization.

546302240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143111 (or 143093 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 546302240640 in words is "five hundred forty-six billion, three hundred two million, two hundred forty thousand, six hundred forty".