244288256421 has 8 divisors (see below), whose sum is σ = 355328373024. Its totient is φ = 148053488720.

The previous prime is 244288256417. The next prime is 244288256423. The reversal of 244288256421 is 124652882442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244288256421 - 2² = 244288256417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244288256423) 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, 3701337186 + ... + 3701337251.

It is an arithmetic number, because the mean of its divisors is an integer number (44416046628).

Almost surely, 2^244288256421 is an apocalyptic number.

It is an amenable number.

244288256421 is a deficient number, since it is larger than the sum of its proper divisors (111040116603).

244288256421 is a wasteful number, since it uses less digits than its factorization.

244288256421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7402674451.

The product of its digits is 1966080, while the sum is 48.

The spelling of 244288256421 in words is "two hundred forty-four billion, two hundred eighty-eight million, two hundred fifty-six thousand, four hundred twenty-one".