244635040993 has 48 divisors (see below), whose sum is σ = 307159776000. Its totient is φ = 193540784640.

The previous prime is 244635040981. The next prime is 244635041009. The reversal of 244635040993 is 399040536442.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-244635040993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (244635040933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21176583 + ... + 21188131.

It is an arithmetic number, because the mean of its divisors is an integer number (6399162000).

Almost surely, 2^244635040993 is an apocalyptic number.

It is an amenable number.

244635040993 is a deficient number, since it is larger than the sum of its proper divisors (62524735007).

244635040993 is a wasteful number, since it uses less digits than its factorization.

244635040993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12070 (or 12063 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 244635040993 in words is "two hundred forty-four billion, six hundred thirty-five million, forty thousand, nine hundred ninety-three".