406655504 has 40 divisors (see below), whose sum is σ = 835680888. Its totient is φ = 191037440.

The previous prime is 406655503. The next prime is 406655519. The reversal of 406655504 is 405556604.

It can be written as a sum of positive squares in 4 ways, for example, as 152571904 + 254083600 = 12352^2 + 15940^2 .

It is not an unprimeable number, because it can be changed into a prime (406655503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238784 + ... + 240480.

Almost surely, 2^406655504 is an apocalyptic number.

It is an amenable number.

406655504 is an abundant number, since it is smaller than the sum of its proper divisors (429025384).

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

406655504 is a wasteful number, since it uses less digits than its factorization.

406655504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 406655504 is about 20165.7011779903. The cubic root of 406655504 is about 740.8703564922.

The spelling of 406655504 in words is "four hundred six million, six hundred fifty-five thousand, five hundred four".