546040644 has 12 divisors (see below), whose sum is σ = 1274094864. Its totient is φ = 182013544.

The previous prime is 546040637. The next prime is 546040661. The reversal of 546040644 is 446040645.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22751682 + ... + 22751705.

It is an arithmetic number, because the mean of its divisors is an integer number (106174572).

Almost surely, 2^546040644 is an apocalyptic number.

It is an amenable number.

546040644 is an abundant number, since it is smaller than the sum of its proper divisors (728054220).

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

546040644 is a wasteful number, since it uses less digits than its factorization.

546040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45503394 (or 45503392 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 546040644 is about 23367.5125762243. The cubic root of 546040644 is about 817.3504826201.

Subtracting from 546040644 its reverse (446040645), we obtain a palindrome (99999999).

The spelling of 546040644 in words is "five hundred forty-six million, forty thousand, six hundred forty-four".