13401420340 has 72 divisors (see below), whose sum is σ = 35353213056. Its totient is φ = 4177060800.

The previous prime is 13401420301. The next prime is 13401420353. The reversal of 13401420340 is 4302410431.

13401420340 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 (22).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 378616 + ... + 412495.

It is an arithmetic number, because the mean of its divisors is an integer number (491016848).

Almost surely, 2^13401420340 is an apocalyptic number.

13401420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13401420340 is an abundant number, since it is smaller than the sum of its proper divisors (21951792716).

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

13401420340 is a wasteful number, since it uses less digits than its factorization.

13401420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791149 (or 791136 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13401420340 its reverse (4302410431), we get a palindrome (17703830771).

Subtracting from 13401420340 its reverse (4302410431), we obtain a palindrome (9099009909).

The spelling of 13401420340 in words is "thirteen billion, four hundred one million, four hundred twenty thousand, three hundred forty".