211319445480 has 384 divisors, whose sum is σ = 750488094720. Its totient is φ = 47186979840.

The previous prime is 211319445473. The next prime is 211319445509. The reversal of 211319445480 is 84544913112.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 162178509 + ... + 162179811.

It is an arithmetic number, because the mean of its divisors is an integer number (1954396080).

Almost surely, 2^211319445480 is an apocalyptic number.

211319445480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211319445480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375244047360).

211319445480 is an abundant number, since it is smaller than the sum of its proper divisors (539168649240).

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

211319445480 is a wasteful number, since it uses less digits than its factorization.

211319445480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 211319445480 in words is "two hundred eleven billion, three hundred nineteen million, four hundred forty-five thousand, four hundred eighty".