10263126256240 has 80 divisors (see below), whose sum is σ = 28033406434656. Its totient is φ = 3444965452800.

The previous prime is 10263126256199. The next prime is 10263126256277. The reversal of 10263126256240 is 4265262136201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 10263126256193 and 10263126256202.

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, 448551771 + ... + 448574650.

Almost surely, 2^{10263126256240} is an apocalyptic number.

10263126256240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10263126256240 is an abundant number, since it is smaller than the sum of its proper divisors (17770280178416).

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

10263126256240 is a wasteful number, since it uses less digits than its factorization.

10263126256240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897126458 (or 897126452 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 10263126256240 in words is "ten trillion, two hundred sixty-three billion, one hundred twenty-six million, two hundred fifty-six thousand, two hundred forty".