10243612253240 has 16 divisors (see below), whose sum is σ = 23048127569880. Its totient is φ = 4097444901280.

The previous prime is 10243612253207. The next prime is 10243612253267. The reversal of 10243612253240 is 4235221634201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10243612253240.

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, 128045153126 + ... + 128045153205.

Almost surely, 2^{10243612253240} is an apocalyptic number.

10243612253240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10243612253240 is an abundant number, since it is smaller than the sum of its proper divisors (12804515316640).

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

10243612253240 is a wasteful number, since it uses less digits than its factorization.

10243612253240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256090306342 (or 256090306338 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 10243612253240 its reverse (4235221634201), we get a palindrome (14478833887441).

The spelling of 10243612253240 in words is "ten trillion, two hundred forty-three billion, six hundred twelve million, two hundred fifty-three thousand, two hundred forty".