13046085640 has 128 divisors (see below), whose sum is σ = 34009113600. Its totient is φ = 4411779840.

The previous prime is 13046085629. The next prime is 13046085671. The reversal of 13046085640 is 4658064031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13046085640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6564727 + ... + 6566713.

It is an arithmetic number, because the mean of its divisors is an integer number (265696200).

Almost surely, 2^13046085640 is an apocalyptic number.

13046085640 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 13046085640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17004556800).

13046085640 is an abundant number, since it is smaller than the sum of its proper divisors (20963027960).

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

13046085640 is a wasteful number, since it uses less digits than its factorization.

13046085640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 13046085640 in words is "thirteen billion, forty-six million, eighty-five thousand, six hundred forty".