10250191008 has 72 divisors (see below), whose sum is σ = 30228595488. Its totient is φ = 3416727744.

The previous prime is 10250191001. The next prime is 10250191093. The reversal of 10250191008 is 80019105201.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10250191001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651316 + ... + 666867.

It is an arithmetic number, because the mean of its divisors is an integer number (419841604).

Almost surely, 2^10250191008 is an apocalyptic number.

10250191008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10250191008 is an abundant number, since it is smaller than the sum of its proper divisors (19978404480).

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

10250191008 is an equidigital number, since it uses as much as digits as its factorization.

10250191008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318208 (or 1318188 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 10250191008 its reverse (80019105201), we get a palindrome (90269296209).

The spelling of 10250191008 in words is "ten billion, two hundred fifty million, one hundred ninety-one thousand, eight".