10398803520 has 672 divisors, whose sum is σ = 40454080128. Its totient is φ = 2254307328.

The previous prime is 10398803507. The next prime is 10398803567. The reversal of 10398803520 is 2530889301.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×10398803520² (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 95 ways as a sum of consecutive naturals, for example, 107204112 + ... + 107204208.

It is an arithmetic number, because the mean of its divisors is an integer number (60199524).

Almost surely, 2^10398803520 is an apocalyptic number.

10398803520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10398803520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20227040064).

10398803520 is an abundant number, since it is smaller than the sum of its proper divisors (30055276608).

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

10398803520 is a wasteful number, since it uses less digits than its factorization.

10398803520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 10398803520 in words is "ten billion, three hundred ninety-eight million, eight hundred three thousand, five hundred twenty".