2169274880 has 40 divisors (see below), whose sum is σ = 5201181612. Its totient is φ = 867708928.

The previous prime is 2169274867. The next prime is 2169274901. The reversal of 2169274880 is 884729612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2166343936 + 2930944 = 46544^2 + 1712^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421127 + ... + 426246.

Almost surely, 2^2169274880 is an apocalyptic number.

2169274880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2169274880 is an abundant number, since it is smaller than the sum of its proper divisors (3031906732).

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

2169274880 is an frugal number, since it uses more digits than its factorization.

2169274880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847396 (or 847380 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2169274880 is about 46575.4750915114. The cubic root of 2169274880 is about 1294.5083687103.

The spelling of 2169274880 in words is "two billion, one hundred sixty-nine million, two hundred seventy-four thousand, eight hundred eighty".