10000056540 has 96 divisors (see below), whose sum is σ = 29844025344. Its totient is φ = 2493158400.

The previous prime is 10000056503. The next prime is 10000056593. The reversal of 10000056540 is 4565000001.

It is a happy number.

It is a super-2 number, since 2×10000056540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 121557 + ... + 186483.

It is an arithmetic number, because the mean of its divisors is an integer number (310875264).

Almost surely, 2^10000056540 is an apocalyptic number.

10000056540 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 10000056540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14922012672).

10000056540 is an abundant number, since it is smaller than the sum of its proper divisors (19843968804).

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

10000056540 is a wasteful number, since it uses less digits than its factorization.

10000056540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65107 (or 65105 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 10000056540 its reverse (4565000001), we get a palindrome (14565056541).

The spelling of 10000056540 in words is "ten billion, fifty-six thousand, five hundred forty".