244003300040 has 32 divisors (see below), whose sum is σ = 549044498880. Its totient is φ = 97594729152.

The previous prime is 244003300019. The next prime is 244003300063. The reversal of 244003300040 is 40003300442.

It is a happy number.

It is a super-2 number, since 2×244003300040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 244003299985 and 244003300021.

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, 417047 + ... + 813593.

It is an arithmetic number, because the mean of its divisors is an integer number (17157640590).

Almost surely, 2^244003300040 is an apocalyptic number.

244003300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244003300040 is an abundant number, since it is smaller than the sum of its proper divisors (305041198840).

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

244003300040 is a wasteful number, since it uses less digits than its factorization.

244003300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411941 (or 411937 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 244003300040 its reverse (40003300442), we get a palindrome (284006600482).

The spelling of 244003300040 in words is "two hundred forty-four billion, three million, three hundred thousand, forty".