404552260 has 48 divisors (see below), whose sum is σ = 972082944. Its totient is φ = 138538368.

The previous prime is 404552257. The next prime is 404552261. The reversal of 404552260 is 62255404.

It is a super-2 number, since 2×404552260² = 327325062142215200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (404552261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201582 + ... + 203578.

It is an arithmetic number, because the mean of its divisors is an integer number (20251728).

Almost surely, 2^404552260 is an apocalyptic number.

It is an amenable number.

404552260 is an abundant number, since it is smaller than the sum of its proper divisors (567530684).

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

404552260 is a wasteful number, since it uses less digits than its factorization.

404552260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 404552260 is about 20113.4845315276. The cubic root of 404552260 is about 739.5908744074.

The spelling of 404552260 in words is "four hundred four million, five hundred fifty-two thousand, two hundred sixty".