244666420 has 24 divisors (see below), whose sum is σ = 540842400. Its totient is φ = 92715552.

The previous prime is 244666403. The next prime is 244666481. The reversal of 244666420 is 24666442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321550 + ... + 322309.

It is an arithmetic number, because the mean of its divisors is an integer number (22535100).

Almost surely, 2^244666420 is an apocalyptic number.

244666420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244666420 is an abundant number, since it is smaller than the sum of its proper divisors (296175980).

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

244666420 is a wasteful number, since it uses less digits than its factorization.

244666420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643887 (or 643885 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 244666420 is about 15641.8163906881. The cubic root of 244666420 is about 625.4483566851.

The spelling of 244666420 in words is "two hundred forty-four million, six hundred sixty-six thousand, four hundred twenty".