2142403424 has 24 divisors (see below), whose sum is σ = 4820408208. Its totient is φ = 918172800.

The previous prime is 2142403369. The next prime is 2142403451. The reversal of 2142403424 is 4243042412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2142403393 and 2142403402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781927 + ... + 4782374.

It is an arithmetic number, because the mean of its divisors is an integer number (200850342).

Almost surely, 2^2142403424 is an apocalyptic number.

It is an amenable number.

2142403424 is an abundant number, since it is smaller than the sum of its proper divisors (2678004784).

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

2142403424 is an equidigital number, since it uses as much as digits as its factorization.

2142403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564318 (or 9564310 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2142403424 is about 46286.1040054140. The cubic root of 2142403424 is about 1289.1409909208.

Adding to 2142403424 its reverse (4243042412), we get a palindrome (6385445836).

The spelling of 2142403424 in words is "two billion, one hundred forty-two million, four hundred three thousand, four hundred twenty-four".