10263638550 has 48 divisors (see below), whose sum is σ = 27767812032. Its totient is φ = 2488154400.

The previous prime is 10263638549. The next prime is 10263638551. The reversal of 10263638550 is 5583636201.

It is an interprime number because it is at equal distance from previous prime (10263638549) and next prime (10263638551).

It is a super-2 number, since 2×10263638550² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10263638499 and 10263638508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10263638551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3108544 + ... + 3111843.

It is an arithmetic number, because the mean of its divisors is an integer number (578496084).

Almost surely, 2^10263638550 is an apocalyptic number.

10263638550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10263638550 is an abundant number, since it is smaller than the sum of its proper divisors (17504173482).

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

10263638550 is a wasteful number, since it uses less digits than its factorization.

10263638550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220413 (or 6220408 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 10263638550 in words is "ten billion, two hundred sixty-three million, six hundred thirty-eight thousand, five hundred fifty".