409375956 has 48 divisors (see below), whose sum is σ = 1075673088. Its totient is φ = 120050400.

The previous prime is 409375937. The next prime is 409375973. The reversal of 409375956 is 659573904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45930 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (22409856).

Almost surely, 2^409375956 is an apocalyptic number.

It is an amenable number.

409375956 is an abundant number, since it is smaller than the sum of its proper divisors (666297132).

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

409375956 is a wasteful number, since it uses less digits than its factorization.

409375956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100092 (or 100090 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 409375956 is about 20233.0411950354. The cubic root of 409375956 is about 742.5187824155.

The spelling of 409375956 in words is "four hundred nine million, three hundred seventy-five thousand, nine hundred fifty-six".