404450434 has 12 divisors (see below), whose sum is σ = 642548754. Its totient is φ = 190274432.

The previous prime is 404450429. The next prime is 404450437. The reversal of 404450434 is 434054404.

It can be written as a sum of positive squares in 3 ways, for example, as 133749225 + 270701209 = 11565^2 + 16453^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404450437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115542 + ... + 118990.

Almost surely, 2^404450434 is an apocalyptic number.

404450434 is a deficient number, since it is larger than the sum of its proper divisors (238098320).

404450434 is an frugal number, since it uses more digits than its factorization.

404450434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 404450434 is about 20110.9530853214. The cubic root of 404450434 is about 739.5288174067.

The spelling of 404450434 in words is "four hundred four million, four hundred fifty thousand, four hundred thirty-four".