244073640 has 64 divisors (see below), whose sum is σ = 733809600. Its totient is φ = 64945152.

The previous prime is 244073629. The next prime is 244073651. The reversal of 244073640 is 46370442.

It is an interprime number because it is at equal distance from previous prime (244073629) and next prime (244073651).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 244073598 and 244073607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60816 + ... + 64704.

It is an arithmetic number, because the mean of its divisors is an integer number (11465775).

Almost surely, 2^244073640 is an apocalyptic number.

244073640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244073640 is an abundant number, since it is smaller than the sum of its proper divisors (489735960).

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

244073640 is a wasteful number, since it uses less digits than its factorization.

244073640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4422 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 244073640 is about 15622.8563329501. The cubic root of 244073640 is about 624.9428342381.

The spelling of 244073640 in words is "two hundred forty-four million, seventy-three thousand, six hundred forty".