409909552 has 20 divisors (see below), whose sum is σ = 855292480. Its totient is φ = 189188928.

The previous prime is 409909547. The next prime is 409909663. The reversal of 409909552 is 255909904.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 409909499 and 409909508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985152 + ... + 985567.

It is an arithmetic number, because the mean of its divisors is an integer number (42764624).

Almost surely, 2^409909552 is an apocalyptic number.

It is an amenable number.

409909552 is an abundant number, since it is smaller than the sum of its proper divisors (445382928).

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

409909552 is a wasteful number, since it uses less digits than its factorization.

409909552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970740 (or 1970734 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 409909552 is about 20246.2231539613. The cubic root of 409909552 is about 742.8412513084.

The spelling of 409909552 in words is "four hundred nine million, nine hundred nine thousand, five hundred fifty-two".