13050401640 has 128 divisors (see below), whose sum is σ = 40340021760. Its totient is φ = 3375755264.

The previous prime is 13050401633. The next prime is 13050401647. The reversal of 13050401640 is 4610405031.

13050401640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13050401633) and next prime (13050401647).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13050401640.

It is not an unprimeable number, because it can be changed into a prime (13050401647) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 627082 + ... + 647558.

It is an arithmetic number, because the mean of its divisors is an integer number (315156420).

Almost surely, 2^13050401640 is an apocalyptic number.

13050401640 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 13050401640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20170010880).

13050401640 is an abundant number, since it is smaller than the sum of its proper divisors (27289620120).

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

13050401640 is a wasteful number, since it uses less digits than its factorization.

13050401640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20651 (or 20647 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13050401640 its reverse (4610405031), we get a palindrome (17660806671).

The spelling of 13050401640 in words is "thirteen billion, fifty million, four hundred one thousand, six hundred forty".