28424246044 has 6 divisors (see below), whose sum is σ = 49742430584. Its totient is φ = 14212123020.

The previous prime is 28424246027. The next prime is 28424246051. The reversal of 28424246044 is 44064242482.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28424245988 and 28424246006.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3553030752 + ... + 3553030759.

Almost surely, 2^28424246044 is an apocalyptic number.

It is an amenable number.

28424246044 is a deficient number, since it is larger than the sum of its proper divisors (21318184540).

28424246044 is a wasteful number, since it uses less digits than its factorization.

28424246044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106061515 (or 7106061513 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

The spelling of 28424246044 in words is "twenty-eight billion, four hundred twenty-four million, two hundred forty-six thousand, forty-four".