406440548 has 6 divisors (see below), whose sum is σ = 711270966. Its totient is φ = 203220272.

The previous prime is 406440493. The next prime is 406440553. The reversal of 406440548 is 845044604.

It can be written as a sum of positive squares in only one way, i.e., 405136384 + 1304164 = 20128^2 + 1142^2 .

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 as a sum of consecutive naturals, namely, 50805065 + ... + 50805072.

It is an arithmetic number, because the mean of its divisors is an integer number (118545161).

Almost surely, 2^406440548 is an apocalyptic number.

It is an amenable number.

406440548 is a deficient number, since it is larger than the sum of its proper divisors (304830418).

406440548 is a wasteful number, since it uses less digits than its factorization.

406440548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101610141 (or 101610139 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 406440548 is about 20160.3707307182. The cubic root of 406440548 is about 740.7397934026.

The spelling of 406440548 in words is "four hundred six million, four hundred forty thousand, five hundred forty-eight".