244620028 has 6 divisors (see below), whose sum is σ = 428085056. Its totient is φ = 122310012.

The previous prime is 244620011. The next prime is 244620049. The reversal of 244620028 is 820026442.

It is a junction number, because it is equal to n+sod(n) for n = 244619978 and 244620005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30577500 + ... + 30577507.

Almost surely, 2^244620028 is an apocalyptic number.

It is an amenable number.

244620028 is a deficient number, since it is larger than the sum of its proper divisors (183465028).

244620028 is a wasteful number, since it uses less digits than its factorization.

244620028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61155011 (or 61155009 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 244620028 is about 15640.3333724061. Note that the first 4 decimals coincide. The cubic root of 244620028 is about 625.4088230836.

The spelling of 244620028 in words is "two hundred forty-four million, six hundred twenty thousand, twenty-eight".