405853480 has 16 divisors (see below), whose sum is σ = 913170420. Its totient is φ = 162341376.

The previous prime is 405853477. The next prime is 405853493. The reversal of 405853480 is 84358504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 346778884 + 59074596 = 18622^2 + 7686^2 .

It is a super-2 number, since 2×405853480² = 329434094456220800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5073129 + ... + 5073208.

Almost surely, 2^405853480 is an apocalyptic number.

405853480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405853480 is an abundant number, since it is smaller than the sum of its proper divisors (507316940).

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

405853480 is a wasteful number, since it uses less digits than its factorization.

405853480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146348 (or 10146344 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 405853480 is about 20145.8055187674. The cubic root of 405853480 is about 740.3829768284.

The spelling of 405853480 in words is "four hundred five million, eight hundred fifty-three thousand, four hundred eighty".