44542164242 has 16 divisors (see below), whose sum is σ = 69338001240. Its totient is φ = 21434404992.

The previous prime is 44542164241. The next prime is 44542164259. The reversal of 44542164242 is 24246124544.

It can be written as a sum of positive squares in 4 ways, for example, as 32981828881 + 11560335361 = 181609^2 + 107519^2 .

It is a super-2 number, since 2×44542164242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44542164196 and 44542164205.

It is not an unprimeable number, because it can be changed into a prime (44542164241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208633 + ... + 1244940.

Almost surely, 2^44542164242 is an apocalyptic number.

44542164242 is a deficient number, since it is larger than the sum of its proper divisors (24795836998).

44542164242 is a wasteful number, since it uses less digits than its factorization.

44542164242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453917.

The product of its digits is 245760, while the sum is 38.

Adding to 44542164242 its reverse (24246124544), we get a palindrome (68788288786).

The spelling of 44542164242 in words is "forty-four billion, five hundred forty-two million, one hundred sixty-four thousand, two hundred forty-two".