10556338540 has 24 divisors (see below), whose sum is σ = 24183612432. Its totient is φ = 3838668480.

The previous prime is 10556338537. The next prime is 10556338549. The reversal of 10556338540 is 4583365501.

It is a super-2 number, since 2×10556338540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556338493 and 10556338502.

It is not an unprimeable number, because it can be changed into a prime (10556338549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23991459 + ... + 23991898.

It is an arithmetic number, because the mean of its divisors is an integer number (1007650518).

Almost surely, 2^10556338540 is an apocalyptic number.

10556338540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10556338540 is an abundant number, since it is smaller than the sum of its proper divisors (13627273892).

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

10556338540 is a wasteful number, since it uses less digits than its factorization.

10556338540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47983377 (or 47983375 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 10556338540 in words is "ten billion, five hundred fifty-six million, three hundred thirty-eight thousand, five hundred forty".