2544142242 has 32 divisors (see below), whose sum is σ = 5502235392. Its totient is φ = 781178624.

The previous prime is 2544142231. The next prime is 2544142261. The reversal of 2544142242 is 2422414452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260553 + ... + 270140.

It is an arithmetic number, because the mean of its divisors is an integer number (171944856).

Almost surely, 2^2544142242 is an apocalyptic number.

2544142242 is an abundant number, since it is smaller than the sum of its proper divisors (2958093150).

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

2544142242 is a wasteful number, since it uses less digits than its factorization.

2544142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530762.

The product of its digits is 20480, while the sum is 30.

The square root of 2544142242 is about 50439.4908975101. The cubic root of 2544142242 is about 1365.1502814588.

Adding to 2544142242 its reverse (2422414452), we get a palindrome (4966556694).

The spelling of 2544142242 in words is "two billion, five hundred forty-four million, one hundred forty-two thousand, two hundred forty-two".