409654048 has 12 divisors (see below), whose sum is σ = 806506470. Its totient is φ = 204827008.

The previous prime is 409654043. The next prime is 409654067. The reversal of 409654048 is 840456904.

It can be written as a sum of positive squares in only one way, i.e., 341954064 + 67699984 = 18492^2 + 8228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 409654048.

It is not an unprimeable number, because it can be changed into a prime (409654043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400813 + ... + 6400876.

Almost surely, 2^409654048 is an apocalyptic number.

It is an amenable number.

409654048 is a deficient number, since it is larger than the sum of its proper divisors (396852422).

409654048 is a wasteful number, since it uses less digits than its factorization.

409654048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801699 (or 12801691 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 409654048 is about 20239.9122527742. The cubic root of 409654048 is about 742.6868771228.

The spelling of 409654048 in words is "four hundred nine million, six hundred fifty-four thousand, forty-eight".