10208776640 has 56 divisors (see below), whose sum is σ = 24560338992. Its totient is φ = 4041400320.

The previous prime is 10208776639. The next prime is 10208776651. The reversal of 10208776640 is 4667780201.

It is a congruent number.

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, 133406 + ... + 195485.

It is an arithmetic number, because the mean of its divisors is an integer number (438577482).

Almost surely, 2^10208776640 is an apocalyptic number.

10208776640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10208776640 is an abundant number, since it is smaller than the sum of its proper divisors (14351562352).

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

10208776640 is an equidigital number, since it uses as much as digits as its factorization.

10208776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329005 (or 328995 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 10208776640 in words is "ten billion, two hundred eight million, seven hundred seventy-six thousand, six hundred forty".