13948945540 has 24 divisors (see below), whose sum is σ = 29468198592. Its totient is φ = 5546166240.

The previous prime is 13948945529. The next prime is 13948945547. The reversal of 13948945540 is 4554984931.

It is not an unprimeable number, because it can be changed into a prime (13948945547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084826 + ... + 2091505.

It is an arithmetic number, because the mean of its divisors is an integer number (1227841608).

Almost surely, 2^13948945540 is an apocalyptic number.

13948945540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13948945540 is an abundant number, since it is smaller than the sum of its proper divisors (15519253052).

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

13948945540 is a wasteful number, since it uses less digits than its factorization.

13948945540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176507 (or 4176505 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 13948945540 in words is "thirteen billion, nine hundred forty-eight million, nine hundred forty-five thousand, five hundred forty".