10631685380 has 24 divisors (see below), whose sum is σ = 22335129432. Its totient is φ = 4251037952.

The previous prime is 10631685377. The next prime is 10631685397. The reversal of 10631685380 is 8358613601.

It can be written as a sum of positive squares in 4 ways, for example, as 198697216 + 10432988164 = 14096^2 + 102142^2 .

It is a super-2 number, since 2×10631685380² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48287 + ... + 153606.

It is an arithmetic number, because the mean of its divisors is an integer number (930630393).

Almost surely, 2^10631685380 is an apocalyptic number.

10631685380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10631685380 is an abundant number, since it is smaller than the sum of its proper divisors (11703444052).

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

10631685380 is a wasteful number, since it uses less digits than its factorization.

10631685380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204535 (or 204533 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 10631685380 in words is "ten billion, six hundred thirty-one million, six hundred eighty-five thousand, three hundred eighty".