13192081040 has 40 divisors (see below), whose sum is σ = 30943039608. Its totient is φ = 5230131200.

The previous prime is 13192081013. The next prime is 13192081051. The reversal of 13192081040 is 4018029131.

It can be written as a sum of positive squares in 4 ways, for example, as 1010985616 + 12181095424 = 31796^2 + 110368^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 13192080994 and 13192081012.

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, 720611 + ... + 738690.

Almost surely, 2^13192081040 is an apocalyptic number.

13192081040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13192081040 is an abundant number, since it is smaller than the sum of its proper divisors (17750958568).

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

13192081040 is a wasteful number, since it uses less digits than its factorization.

13192081040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459427 (or 1459421 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 13192081040 in words is "thirteen billion, one hundred ninety-two million, eighty-one thousand, forty".