409043204 has 6 divisors (see below), whose sum is σ = 715825614. Its totient is φ = 204521600.

The previous prime is 409043203. The next prime is 409043213. The reversal of 409043204 is 402340904.

It can be written as a sum of positive squares in only one way, i.e., 404412100 + 4631104 = 20110^2 + 2152^2 .

It is not an unprimeable number, because it can be changed into a prime (409043203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51130397 + ... + 51130404.

It is an arithmetic number, because the mean of its divisors is an integer number (119304269).

Almost surely, 2^409043204 is an apocalyptic number.

It is an amenable number.

409043204 is a deficient number, since it is larger than the sum of its proper divisors (306782410).

409043204 is a wasteful number, since it uses less digits than its factorization.

409043204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102260805 (or 102260803 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 409043204 is about 20224.8165381049. The cubic root of 409043204 is about 742.3175480086.

The spelling of 409043204 in words is "four hundred nine million, forty-three thousand, two hundred four".