409803140 has 12 divisors (see below), whose sum is σ = 860586636. Its totient is φ = 163921248.

The previous prime is 409803133. The next prime is 409803161. The reversal of 409803140 is 41308904.

It can be written as a sum of positive squares in 2 ways, for example, as 199204996 + 210598144 = 14114^2 + 14512^2 .

It is a super-2 number, since 2×409803140² = 335877227107719200, which contains 22 as substring.

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, 10245059 + ... + 10245098.

It is an arithmetic number, because the mean of its divisors is an integer number (71715553).

Almost surely, 2^409803140 is an apocalyptic number.

It is an amenable number.

409803140 is an abundant number, since it is smaller than the sum of its proper divisors (450783496).

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

409803140 is a wasteful number, since it uses less digits than its factorization.

409803140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20490166 (or 20490164 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 409803140 is about 20243.5950364554. The cubic root of 409803140 is about 742.7769655296.

The spelling of 409803140 in words is "four hundred nine million, eight hundred three thousand, one hundred forty".