211470299880 has 128 divisors (see below), whose sum is σ = 725138784000. Its totient is φ = 48329551872.

The previous prime is 211470299869. The next prime is 211470299897. The reversal of 211470299880 is 88992074112.

It is a happy number.

211470299880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 459859²-1.

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 31 ways as a sum of consecutive naturals, for example, 9185664 + ... + 9208656.

It is an arithmetic number, because the mean of its divisors is an integer number (5665146750).

Almost surely, 2^211470299880 is an apocalyptic number.

211470299880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211470299880 is an abundant number, since it is smaller than the sum of its proper divisors (513668484120).

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

211470299880 is a wasteful number, since it uses less digits than its factorization.

211470299880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33963 (or 33959 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 211470299880 in words is "two hundred eleven billion, four hundred seventy million, two hundred ninety-nine thousand, eight hundred eighty".