13124444340 has 48 divisors (see below), whose sum is σ = 41998223232. Its totient is φ = 2999872896.

The previous prime is 13124444339. The next prime is 13124444341. The reversal of 13124444340 is 4344442131.

It is an interprime number because it is at equal distance from previous prime (13124444339) and next prime (13124444341).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13124444298 and 13124444307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124444341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15623919 + ... + 15624758.

It is an arithmetic number, because the mean of its divisors is an integer number (874962984).

Almost surely, 2^13124444340 is an apocalyptic number.

13124444340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124444340 is an abundant number, since it is smaller than the sum of its proper divisors (28873778892).

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

13124444340 is a wasteful number, since it uses less digits than its factorization.

13124444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31248696 (or 31248694 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13124444340 its reverse (4344442131), we get a palindrome (17468886471).

The spelling of 13124444340 in words is "thirteen billion, one hundred twenty-four million, four hundred forty-four thousand, three hundred forty".