404530002 has 24 divisors (see below), whose sum is σ = 878417436. Its totient is φ = 134545536.

The previous prime is 404529997. The next prime is 404530033. The reversal of 404530002 is 200035404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 403648281 + 881721 = 20091^2 + 939^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16363 + ... + 32814.

Almost surely, 2^404530002 is an apocalyptic number.

404530002 is an abundant number, since it is smaller than the sum of its proper divisors (473887434).

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

404530002 is a wasteful number, since it uses less digits than its factorization.

404530002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49642 (or 49639 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 404530002 is about 20112.9312135253. The cubic root of 404530002 is about 739.5773103456.

Adding to 404530002 its reverse (200035404), we get a palindrome (604565406).

The spelling of 404530002 in words is "four hundred four million, five hundred thirty thousand, two".