10203444242240 has 28 divisors (see below), whose sum is σ = 24296951602596. Its totient is φ = 4081377696768.

The previous prime is 10203444242237. The next prime is 10203444242261. The reversal of 10203444242240 is 4224244430201.

It can be written as a sum of positive squares in 2 ways, for example, as 7113358399744 + 3090085842496 = 2667088^2 + 1757864^2 .

It is a super-2 number, since 2×10203444242240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 10203444242197 and 10203444242206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15942881309 + ... + 15942881948.

Almost surely, 2^{10203444242240} is an apocalyptic number.

10203444242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203444242240 is an abundant number, since it is smaller than the sum of its proper divisors (14093507360356).

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

10203444242240 is an equidigital number, since it uses as much as digits as its factorization.

10203444242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31885763274 (or 31885763264 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 10203444242240 its reverse (4224244430201), we get a palindrome (14427688672441).

The spelling of 10203444242240 in words is "ten trillion, two hundred three billion, four hundred forty-four million, two hundred forty-two thousand, two hundred forty".