2171028960 has 96 divisors (see below), whose sum is σ = 7598616480. Its totient is φ = 578939904.

The previous prime is 2171028947. The next prime is 2171028991. The reversal of 2171028960 is 698201712.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 246957 + ... + 255596.

It is an arithmetic number, because the mean of its divisors is an integer number (79152255).

Almost surely, 2^2171028960 is an apocalyptic number.

2171028960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2171028960 is an abundant number, since it is smaller than the sum of its proper divisors (5427587520).

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

2171028960 is a wasteful number, since it uses less digits than its factorization.

2171028960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502577 (or 502563 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2171028960 is about 46594.3017975374. The cubic root of 2171028960 is about 1294.8571887257.

The spelling of 2171028960 in words is "two billion, one hundred seventy-one million, twenty-eight thousand, nine hundred sixty".