6424640100 has 54 divisors (see below), whose sum is σ = 20137680290. Its totient is φ = 1713237120.

The previous prime is 6424640093. The next prime is 6424640143. The reversal of 6424640100 is 10464246.

6424640100 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 640 + 10 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1950635556 + 4474004544 = 44166^2 + 66888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3568345 + ... + 3570144.

Almost surely, 2^6424640100 is an apocalyptic number.

6424640100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6424640100 is an abundant number, since it is smaller than the sum of its proper divisors (13713040190).

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

6424640100 is a wasteful number, since it uses less digits than its factorization.

6424640100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138509 (or 7138499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6424640100 is about 80153.8526834487. The cubic root of 6424640100 is about 1859.0151741062.

The spelling of 6424640100 in words is "six billion, four hundred twenty-four million, six hundred forty thousand, one hundred".