10261490868 has 18 divisors (see below), whose sum is σ = 25938768674. Its totient is φ = 3420496944.

The previous prime is 10261490857. The next prime is 10261490879. The reversal of 10261490868 is 86809416201.

10261490868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10261490857) and next prime (10261490879).

It can be written as a sum of positive squares in only one way, i.e., 8038556964 + 2222933904 = 89658^2 + 47148^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142520671 + ... + 142520742.

Almost surely, 2^10261490868 is an apocalyptic number.

10261490868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10261490868 is an abundant number, since it is smaller than the sum of its proper divisors (15677277806).

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

10261490868 is a wasteful number, since it uses less digits than its factorization.

10261490868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285041423 (or 285041418 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 10261490868 in words is "ten billion, two hundred sixty-one million, four hundred ninety thousand, eight hundred sixty-eight".