6405852900 has 36 divisors (see below), whose sum is σ = 18534268592. Its totient is φ = 1708227360.

The previous prime is 6405852899. The next prime is 6405852911. The reversal of 6405852900 is 92585046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10676122 + ... + 10676721.

Almost surely, 2^6405852900 is an apocalyptic number.

6405852900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6405852900 is an abundant number, since it is smaller than the sum of its proper divisors (12128415692).

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

6405852900 is a wasteful number, since it uses less digits than its factorization.

6405852900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352860 (or 21352853 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 6405852900 is about 80036.5722654338. The cubic root of 6405852900 is about 1857.2013350704.

The spelling of 6405852900 in words is "six billion, four hundred five million, eight hundred fifty-two thousand, nine hundred".