10212544040 has 32 divisors (see below), whose sum is σ = 23538672360. Its totient is φ = 3985382400.

The previous prime is 10212544033. The next prime is 10212544051. The reversal of 10212544040 is 4044521201.

It can be written as a sum of positive squares in 4 ways, for example, as 7676212996 + 2536331044 = 87614^2 + 50362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10212543997 and 10212544015.

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, 3111941 + ... + 3115220.

Almost surely, 2^10212544040 is an apocalyptic number.

10212544040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212544040 is an abundant number, since it is smaller than the sum of its proper divisors (13326128320).

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

10212544040 is a wasteful number, since it uses less digits than its factorization.

10212544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227213 (or 6227209 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The spelling of 10212544040 in words is "ten billion, two hundred twelve million, five hundred forty-four thousand, forty".