409943052 has 48 divisors (see below), whose sum is σ = 1063914880. Its totient is φ = 136506384.

The previous prime is 409943041. The next prime is 409943057. The reversal of 409943052 is 250349904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 409942998 and 409943016.

It is not an unprimeable number, because it can be changed into a prime (409943057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184983 + ... + 187185.

Almost surely, 2^409943052 is an apocalyptic number.

It is an amenable number.

409943052 is an abundant number, since it is smaller than the sum of its proper divisors (653971828).

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

409943052 is a wasteful number, since it uses less digits than its factorization.

409943052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3931 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 409943052 is about 20247.0504518559. The cubic root of 409943052 is about 742.8614870766.

The spelling of 409943052 in words is "four hundred nine million, nine hundred forty-three thousand, fifty-two".