2142240452 has 12 divisors (see below), whose sum is σ = 4089731856. Its totient is φ = 973745640.

The previous prime is 2142240427. The next prime is 2142240479. The reversal of 2142240452 is 2540422412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24343598 + ... + 24343685.

It is an arithmetic number, because the mean of its divisors is an integer number (340810988).

Almost surely, 2^2142240452 is an apocalyptic number.

2142240452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2142240452 is a deficient number, since it is larger than the sum of its proper divisors (1947491404).

2142240452 is a wasteful number, since it uses less digits than its factorization.

2142240452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48687298 (or 48687296 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2142240452 is about 46284.3434867559. The cubic root of 2142240452 is about 1289.1083018996.

Adding to 2142240452 its reverse (2540422412), we get a palindrome (4682662864).

The spelling of 2142240452 in words is "two billion, one hundred forty-two million, two hundred forty thousand, four hundred fifty-two".