4125444042 has 16 divisors (see below), whose sum is σ = 8252985312. Its totient is φ = 1374798480.

The previous prime is 4125444031. The next prime is 4125444053. The reversal of 4125444042 is 2404445214.

It is an interprime number because it is at equal distance from previous prime (4125444031) and next prime (4125444053).

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 7 ways as a sum of consecutive naturals, for example, 61209 + ... + 109532.

It is an arithmetic number, because the mean of its divisors is an integer number (515811582).

Almost surely, 2^4125444042 is an apocalyptic number.

4125444042 is an abundant number, since it is smaller than the sum of its proper divisors (4127541270).

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

4125444042 is a wasteful number, since it uses less digits than its factorization.

4125444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174773.

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

The square root of 4125444042 is about 64229.6196625825. The cubic root of 4125444042 is about 1603.8247095981.

Adding to 4125444042 its reverse (2404445214), we get a palindrome (6529889256).

The spelling of 4125444042 in words is "four billion, one hundred twenty-five million, four hundred forty-four thousand, forty-two".