2167498240 has 80 divisors (see below), whose sum is σ = 5274898992. Its totient is φ = 853991424.

The previous prime is 2167498237. The next prime is 2167498241. The reversal of 2167498240 is 428947612.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167498241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165202 + ... + 177838.

Almost surely, 2^2167498240 is an apocalyptic number.

2167498240 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 2167498240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637449496).

2167498240 is an abundant number, since it is smaller than the sum of its proper divisors (3107400752).

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

2167498240 is an equidigital number, since it uses as much as digits as its factorization.

2167498240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727 (or 12711 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2167498240 is about 46556.3984861372. The cubic root of 2167498240 is about 1294.1548706324.

The spelling of 2167498240 in words is "two billion, one hundred sixty-seven million, four hundred ninety-eight thousand, two hundred forty".