13403401340 has 48 divisors (see below), whose sum is σ = 33566787072. Its totient is φ = 4395648576.

The previous prime is 13403401313. The next prime is 13403401393. The reversal of 13403401340 is 4310430431.

It is a super-2 number, since 2×13403401340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078054 + ... + 2084493.

It is an arithmetic number, because the mean of its divisors is an integer number (699308064).

Almost surely, 2^13403401340 is an apocalyptic number.

13403401340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13403401340 is an abundant number, since it is smaller than the sum of its proper divisors (20163385732).

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

13403401340 is a wasteful number, since it uses less digits than its factorization.

13403401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162586 (or 4162584 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13403401340 its reverse (4310430431), we get a palindrome (17713831771).

The spelling of 13403401340 in words is "thirteen billion, four hundred three million, four hundred one thousand, three hundred forty".