2174897140 has 96 divisors (see below), whose sum is σ = 5034032640. Its totient is φ = 784429056.

The previous prime is 2174897083. The next prime is 2174897141. The reversal of 2174897140 is 417984712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174897141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2092741 + ... + 2093779.

It is an arithmetic number, because the mean of its divisors is an integer number (52437840).

Almost surely, 2^2174897140 is an apocalyptic number.

2174897140 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 2174897140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517016320).

2174897140 is an abundant number, since it is smaller than the sum of its proper divisors (2859135500).

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

2174897140 is a wasteful number, since it uses less digits than its factorization.

2174897140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 2174897140 is about 46635.7924774523. The cubic root of 2174897140 is about 1295.6257596012.

The spelling of 2174897140 in words is "two billion, one hundred seventy-four million, eight hundred ninety-seven thousand, one hundred forty".