2142275280 has 40 divisors (see below), whose sum is σ = 6641054112. Its totient is φ = 571273344.

The previous prime is 2142275249. The next prime is 2142275323. The reversal of 2142275280 is 825722412.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4462834 + ... + 4463313.

Almost surely, 2^2142275280 is an apocalyptic number.

2142275280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142275280 is an abundant number, since it is smaller than the sum of its proper divisors (4498778832).

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

2142275280 is a wasteful number, since it uses less digits than its factorization.

2142275280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926163 (or 8926157 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 2142275280 is about 46284.7197247645. The cubic root of 2142275280 is about 1289.1152878599.

Adding to 2142275280 its reverse (825722412), we get a palindrome (2967997692).

The spelling of 2142275280 in words is "two billion, one hundred forty-two million, two hundred seventy-five thousand, two hundred eighty".