28844343042 has 32 divisors (see below), whose sum is σ = 62206038720. Its totient is φ = 8886574080.

The previous prime is 28844343041. The next prime is 28844343053. The reversal of 28844343042 is 24034344882.

It is a super-2 number, since 2×28844343042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28844342985 and 28844343003.

It is not an unprimeable number, because it can be changed into a prime (28844343041) 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, 3080943 + ... + 3090290.

It is an arithmetic number, because the mean of its divisors is an integer number (1943938710).

Almost surely, 2^28844343042 is an apocalyptic number.

28844343042 is an abundant number, since it is smaller than the sum of its proper divisors (33361695678).

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

28844343042 is a wasteful number, since it uses less digits than its factorization.

28844343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171298.

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 28844343042 in words is "twenty-eight billion, eight hundred forty-four million, three hundred forty-three thousand, forty-two".