4215663900 has 144 divisors (see below), whose sum is σ = 15488730880. Its totient is φ = 963576000.

The previous prime is 4215663899. The next prime is 4215663913. The reversal of 4215663900 is 93665124.

It is a happy number.

4215663900 is a `hidden beast` number, since 4 + 2 + 1 + 566 + 3 + 90 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 92626 + ... + 130425.

Almost surely, 2^4215663900 is an apocalyptic number.

It is an amenable number.

4215663900 is an abundant number, since it is smaller than the sum of its proper divisors (11273066980).

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

4215663900 is a wasteful number, since it uses less digits than its factorization.

4215663900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223081 (or 223068 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 4215663900 is about 64928.1441287213. The cubic root of 4215663900 is about 1615.4319183950.

The spelling of 4215663900 in words is "four billion, two hundred fifteen million, six hundred sixty-three thousand, nine hundred".