244079640 has 96 divisors (see below), whose sum is σ = 906590880. Its totient is φ = 55789056.

The previous prime is 244079629. The next prime is 244079663. The reversal of 244079640 is 46970442.

244079640 is a `hidden beast` number, since 2 + 4 + 4 + 0 + 7 + 9 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 244079595 and 244079604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45909 + ... + 50948.

It is an arithmetic number, because the mean of its divisors is an integer number (9443655).

Almost surely, 2^244079640 is an apocalyptic number.

244079640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244079640 is an abundant number, since it is smaller than the sum of its proper divisors (662511240).

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

244079640 is a wasteful number, since it uses less digits than its factorization.

244079640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96881 (or 96874 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 244079640 is about 15623.0483581150. The cubic root of 244079640 is about 624.9479551329.

The spelling of 244079640 in words is "two hundred forty-four million, seventy-nine thousand, six hundred forty".