546043644 has 36 divisors (see below), whose sum is σ = 1440291216. Its totient is φ = 174100608.

The previous prime is 546043613. The next prime is 546043649. The reversal of 546043644 is 446340645.

546043644 is a `hidden beast` number, since 5 + 4 + 6 + 0 + 4 + 3 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×546043644² = 596327322305597472, which 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 = 546043599 and 546043608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546043649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328909 + ... + 330564.

Almost surely, 2^546043644 is an apocalyptic number.

It is an amenable number.

546043644 is an abundant number, since it is smaller than the sum of its proper divisors (894247572).

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

546043644 is a wasteful number, since it uses less digits than its factorization.

546043644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659506 (or 659501 counting only the distinct ones).

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

The square root of 546043644 is about 23367.5767678208. The cubic root of 546043644 is about 817.3519794848.

The spelling of 546043644 in words is "five hundred forty-six million, forty-three thousand, six hundred forty-four".