44042042242 has 32 divisors (see below), whose sum is σ = 74037965760. Its totient is φ = 19472431680.

The previous prime is 44042042227. The next prime is 44042042243. The reversal of 44042042242 is 24224024044.

It is a super-2 number, since 2×44042042242² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44042042242.

It is not an unprimeable number, because it can be changed into a prime (44042042243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4218633 + ... + 4229059.

It is an arithmetic number, because the mean of its divisors is an integer number (2313686430).

Almost surely, 2^44042042242 is an apocalyptic number.

44042042242 is a deficient number, since it is larger than the sum of its proper divisors (29995923518).

44042042242 is a wasteful number, since it uses less digits than its factorization.

44042042242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44042042242 its reverse (24224024044), we get a palindrome (68266066286).

The spelling of 44042042242 in words is "forty-four billion, forty-two million, forty-two thousand, two hundred forty-two".