404866480 has 40 divisors (see below), whose sum is σ = 942676272. Its totient is φ = 161712384.

The previous prime is 404866471. The next prime is 404866481. The reversal of 404866480 is 84668404.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×404866480³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (404866481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58567 + ... + 65113.

Almost surely, 2^404866480 is an apocalyptic number.

404866480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404866480 is an abundant number, since it is smaller than the sum of its proper divisors (537809792).

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

404866480 is a wasteful number, since it uses less digits than its factorization.

404866480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333 (or 7327 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 404866480 is about 20121.2941929688. The cubic root of 404866480 is about 739.7823075265.

The spelling of 404866480 in words is "four hundred four million, eight hundred sixty-six thousand, four hundred eighty".