13290172040 has 32 divisors (see below), whose sum is σ = 29907641880. Its totient is φ = 5315223552.

The previous prime is 13290172013. The next prime is 13290172121. The reversal of 13290172040 is 4027109231.

It can be written as a sum of positive squares in 4 ways, for example, as 9697128676 + 3593043364 = 98474^2 + 59942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13290171994 and 13290172012.

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, 269114 + ... + 314646.

Almost surely, 2^13290172040 is an apocalyptic number.

13290172040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13290172040 is an abundant number, since it is smaller than the sum of its proper divisors (16617469840).

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

13290172040 is a wasteful number, since it uses less digits than its factorization.

13290172040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52841 (or 52837 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 13290172040 in words is "thirteen billion, two hundred ninety million, one hundred seventy-two thousand, forty".