13776504240 has 80 divisors (see below), whose sum is σ = 42993900000. Its totient is φ = 3649069056.

The previous prime is 13776504233. The next prime is 13776504263. The reversal of 13776504240 is 4240567731.

It is a tau number, because it is divible by the number of its divisors (80).

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, 156865 + ... + 228384.

It is an arithmetic number, because the mean of its divisors is an integer number (537423750).

Almost surely, 2^13776504240 is an apocalyptic number.

13776504240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13776504240 is an abundant number, since it is smaller than the sum of its proper divisors (29217395760).

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

13776504240 is a wasteful number, since it uses less digits than its factorization.

13776504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385414 (or 385408 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 13776504240 in words is "thirteen billion, seven hundred seventy-six million, five hundred four thousand, two hundred forty".