10649228880 has 80 divisors (see below), whose sum is σ = 33047331264. Its totient is φ = 2836807680.

The previous prime is 10649228879. The next prime is 10649228911. The reversal of 10649228880 is 8882294601.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10649228880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210192 + ... + 255888.

Almost surely, 2^10649228880 is an apocalyptic number.

10649228880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10649228880 is an abundant number, since it is smaller than the sum of its proper divisors (22398102384).

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

10649228880 is a wasteful number, since it uses less digits than its factorization.

10649228880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46684 (or 46678 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 10649228880 in words is "ten billion, six hundred forty-nine million, two hundred twenty-eight thousand, eight hundred eighty".