10065509940 has 48 divisors (see below), whose sum is σ = 29841279552. Its totient is φ = 2526245376.

The previous prime is 10065509929. The next prime is 10065510011. The reversal of 10065509940 is 4990556001.

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, 4933054 + ... + 4935093.

It is an arithmetic number, because the mean of its divisors is an integer number (621693324).

Almost surely, 2^10065509940 is an apocalyptic number.

10065509940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10065509940 is an abundant number, since it is smaller than the sum of its proper divisors (19775769612).

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

10065509940 is a wasteful number, since it uses less digits than its factorization.

10065509940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868176 (or 9868174 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 10065509940 in words is "ten billion, sixty-five million, five hundred nine thousand, nine hundred forty".