546040646 has 32 divisors (see below), whose sum is σ = 885479040. Its totient is φ = 252470400.

The previous prime is 546040637. The next prime is 546040661. The reversal of 546040646 is 646040645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598931 + ... + 599841.

It is an arithmetic number, because the mean of its divisors is an integer number (27671220).

Almost surely, 2^546040646 is an apocalyptic number.

546040646 is a deficient number, since it is larger than the sum of its proper divisors (339438394).

546040646 is an equidigital number, since it uses as much as digits as its factorization.

546040646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 546040646 is about 23367.5126190187. The cubic root of 546040646 is about 817.3504836180.

Subtracting 546040646 from its reverse (646040645), we obtain a palindrome (99999999).

The spelling of 546040646 in words is "five hundred forty-six million, forty thousand, six hundred forty-six".