409057332 has 24 divisors (see below), whose sum is σ = 1010612736. Its totient is φ = 128331648.

The previous prime is 409057331. The next prime is 409057351. The reversal of 409057332 is 233750904.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 409057293 and 409057302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409057331) 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, 1002388 + ... + 1002795.

It is an arithmetic number, because the mean of its divisors is an integer number (42108864).

Almost surely, 2^409057332 is an apocalyptic number.

It is an amenable number.

409057332 is an abundant number, since it is smaller than the sum of its proper divisors (601555404).

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

409057332 is a wasteful number, since it uses less digits than its factorization.

409057332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005207 (or 2005205 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 409057332 is about 20225.1658089619. The cubic root of 409057332 is about 742.3260942465.

The spelling of 409057332 in words is "four hundred nine million, fifty-seven thousand, three hundred thirty-two".