10043500520 has 32 divisors (see below), whose sum is σ = 23208633000. Its totient is φ = 3908821248.

The previous prime is 10043500513. The next prime is 10043500543. The reversal of 10043500520 is 2500534001.

It can be written as a sum of positive squares in 4 ways, for example, as 10006801156 + 36699364 = 100034^2 + 6058^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10043500492 and 10043500501.

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, 3391595 + ... + 3394554.

Almost surely, 2^10043500520 is an apocalyptic number.

10043500520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10043500520 is an abundant number, since it is smaller than the sum of its proper divisors (13165132480).

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

10043500520 is a wasteful number, since it uses less digits than its factorization.

10043500520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786197 (or 6786193 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 10043500520 in words is "ten billion, forty-three million, five hundred thousand, five hundred twenty".