13056563940 has 48 divisors (see below), whose sum is σ = 41781005952. Its totient is φ = 2984357376.

The previous prime is 13056563921. The next prime is 13056563969. The reversal of 13056563940 is 4936565031.

13056563940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 13056563892 and 13056563901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15543109 + ... + 15543948.

It is an arithmetic number, because the mean of its divisors is an integer number (870437624).

Almost surely, 2^13056563940 is an apocalyptic number.

13056563940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13056563940 is an abundant number, since it is smaller than the sum of its proper divisors (28724442012).

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

13056563940 is a wasteful number, since it uses less digits than its factorization.

13056563940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31087076 (or 31087074 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 13056563940 in words is "thirteen billion, fifty-six million, five hundred sixty-three thousand, nine hundred forty".