13949522340 has 48 divisors (see below), whose sum is σ = 42063177408. Its totient is φ = 3433728384.

The previous prime is 13949522339. The next prime is 13949522369. The reversal of 13949522340 is 4322594931.

It is a junction number, because it is equal to n+sod(n) for n = 13949522292 and 13949522301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8941222 + ... + 8942781.

It is an arithmetic number, because the mean of its divisors is an integer number (876316196).

Almost surely, 2^13949522340 is an apocalyptic number.

13949522340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13949522340 is an abundant number, since it is smaller than the sum of its proper divisors (28113655068).

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

13949522340 is a wasteful number, since it uses less digits than its factorization.

13949522340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17884028 (or 17884026 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13949522340 in words is "thirteen billion, nine hundred forty-nine million, five hundred twenty-two thousand, three hundred forty".