546440404 has 6 divisors (see below), whose sum is σ = 956270714. Its totient is φ = 273220200.

The previous prime is 546440387. The next prime is 546440407. The reversal of 546440404 is 404044645.

It can be written as a sum of positive squares in only one way, i.e., 544755600 + 1684804 = 23340^2 + 1298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546440407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68305047 + ... + 68305054.

Almost surely, 2^546440404 is an apocalyptic number.

It is an amenable number.

546440404 is a deficient number, since it is larger than the sum of its proper divisors (409830310).

546440404 is a wasteful number, since it uses less digits than its factorization.

546440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136610105 (or 136610103 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 546440404 is about 23376.0647671930. The cubic root of 546440404 is about 817.5498965452.

The spelling of 546440404 in words is "five hundred forty-six million, four hundred forty thousand, four hundred four".