2142403304 has 128 divisors (see below), whose sum is σ = 4504550400. Its totient is φ = 952197120.

The previous prime is 2142403301. The next prime is 2142403309. The reversal of 2142403304 is 4033042412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142403304.

It is not an unprimeable number, because it can be changed into a prime (2142403301) 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, 22086584 + ... + 22086680.

It is an arithmetic number, because the mean of its divisors is an integer number (35191800).

Almost surely, 2^2142403304 is an apocalyptic number.

It is an amenable number.

2142403304 is an abundant number, since it is smaller than the sum of its proper divisors (2362147096).

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

2142403304 is a wasteful number, since it uses less digits than its factorization.

2142403304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2142403304 is about 46286.1027091286. The cubic root of 2142403304 is about 1289.1409668518.

Adding to 2142403304 its reverse (4033042412), we get a palindrome (6175445716).

The spelling of 2142403304 in words is "two billion, one hundred forty-two million, four hundred three thousand, three hundred four".