2167274880 has 320 divisors, whose sum is σ = 7837663680. Its totient is φ = 570654720.

The previous prime is 2167274833. The next prime is 2167274909. The reversal of 2167274880 is 884727612.

2167274880 is a `hidden beast` number, since 2 + 167 + 2 + 7 + 488 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5028265 + ... + 5028695.

It is an arithmetic number, because the mean of its divisors is an integer number (24492699).

Almost surely, 2^2167274880 is an apocalyptic number.

2167274880 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 2167274880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3918831840).

2167274880 is an abundant number, since it is smaller than the sum of its proper divisors (5670388800).

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

2167274880 is an equidigital number, since it uses as much as digits as its factorization.

2167274880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2167274880 is about 46553.9996133522. Note that the first 3 decimals coincide. The cubic root of 2167274880 is about 1294.1104150236.

The spelling of 2167274880 in words is "two billion, one hundred sixty-seven million, two hundred seventy-four thousand, eight hundred eighty".