10421551880 has 32 divisors (see below), whose sum is σ = 23504226840. Its totient is φ = 4158712320.

The previous prime is 10421551859. The next prime is 10421551897. The reversal of 10421551880 is 8815512401.

It can be written as a sum of positive squares in 4 ways, for example, as 3749602756 + 6671949124 = 61234^2 + 81682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10421551880.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292589 + ... + 326268.

Almost surely, 2^10421551880 is an apocalyptic number.

10421551880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421551880 is an abundant number, since it is smaller than the sum of its proper divisors (13082674960).

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

10421551880 is a wasteful number, since it uses less digits than its factorization.

10421551880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619289 (or 619285 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 35.

The spelling of 10421551880 in words is "ten billion, four hundred twenty-one million, five hundred fifty-one thousand, eight hundred eighty".