409466040 has 64 divisors (see below), whose sum is σ = 1230055200. Its totient is φ = 109043712.

The previous prime is 409466039. The next prime is 409466069. The reversal of 409466040 is 40664904.

It is a junction number, because it is equal to n+sod(n) for n = 409465992 and 409466010.

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, 109644 + ... + 113316.

Almost surely, 2^409466040 is an apocalyptic number.

409466040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

409466040 is an abundant number, since it is smaller than the sum of its proper divisors (820589160).

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

409466040 is a wasteful number, since it uses less digits than its factorization.

409466040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 409466040 is about 20235.2672332243. The cubic root of 409466040 is about 742.5732426700.

The spelling of 409466040 in words is "four hundred nine million, four hundred sixty-six thousand, forty".