2117267400 has 48 divisors (see below), whose sum is σ = 6563530800. Its totient is φ = 564604480.

The previous prime is 2117267381. The next prime is 2117267401. The reversal of 2117267400 is 47627112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2117267401) by changing a digit.

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, 1763790 + ... + 1764989.

It is an arithmetic number, because the mean of its divisors is an integer number (136740225).

Almost surely, 2^2117267400 is an apocalyptic number.

2117267400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2117267400 is an abundant number, since it is smaller than the sum of its proper divisors (4446263400).

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

2117267400 is a wasteful number, since it uses less digits than its factorization.

2117267400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528798 (or 3528789 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2117267400 is about 46013.7740247418. The cubic root of 2117267400 is about 1284.0794731527.

The spelling of 2117267400 in words is "two billion, one hundred seventeen million, two hundred sixty-seven thousand, four hundred".