404665030 has 96 divisors (see below), whose sum is σ = 931525920. Its totient is φ = 125153280.

The previous prime is 404664973. The next prime is 404665031. The reversal of 404665030 is 30566404.

It is a self number, because there is not a number n which added to its sum of digits gives 404665030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404665031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1040076 + ... + 1040464.

It is an arithmetic number, because the mean of its divisors is an integer number (9703395).

Almost surely, 2^404665030 is an apocalyptic number.

404665030 is an abundant number, since it is smaller than the sum of its proper divisors (526860890).

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

404665030 is a wasteful number, since it uses less digits than its factorization.

404665030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 404665030 is about 20116.2876793905. The cubic root of 404665030 is about 739.6595889862.

The spelling of 404665030 in words is "four hundred four million, six hundred sixty-five thousand, thirty".