211402033920 has 1152 divisors, whose sum is σ = 990523054080. Its totient is φ = 41334865920.

The previous prime is 211402033891. The next prime is 211402033933. The reversal of 211402033920 is 29330204112.

It is a happy number.

211402033920 is a `hidden beast` number, since 211 + 40 + 20 + 3 + 392 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45236704 + ... + 45241376.

It is an arithmetic number, because the mean of its divisors is an integer number (859829040).

Almost surely, 2^211402033920 is an apocalyptic number.

211402033920 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 211402033920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495261527040).

211402033920 is an abundant number, since it is smaller than the sum of its proper divisors (779121020160).

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

211402033920 is a wasteful number, since it uses less digits than its factorization.

211402033920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 211402033920 in words is "two hundred eleven billion, four hundred two million, thirty-three thousand, nine hundred twenty".