744230665020 has 48 divisors (see below), whose sum is σ = 2155702620960. Its totient is φ = 191618009856.

The previous prime is 744230664997. The next prime is 744230665039. The reversal of 744230665020 is 20566032447.

It is a super-2 number, since 2×744230665020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 744230665020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213857647 + ... + 213861126.

It is an arithmetic number, because the mean of its divisors is an integer number (44910471270).

Almost surely, 2^744230665020 is an apocalyptic number.

It is an amenable number.

744230665020 is an abundant number, since it is smaller than the sum of its proper divisors (1411471955940).

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

744230665020 is a wasteful number, since it uses less digits than its factorization.

744230665020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427718814 (or 427718812 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 744230665020 its reverse (20566032447), we get a palindrome (764796697467).

The spelling of 744230665020 in words is "seven hundred forty-four billion, two hundred thirty million, six hundred sixty-five thousand, twenty".