13770471440 has 40 divisors (see below), whose sum is σ = 34926925248. Its totient is φ = 5007443840.

The previous prime is 13770471397. The next prime is 13770471469. The reversal of 13770471440 is 4417407731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 13770471394 and 13770471403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7823252 + ... + 7825011.

Almost surely, 2^13770471440 is an apocalyptic number.

13770471440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13770471440 is an abundant number, since it is smaller than the sum of its proper divisors (21156453808).

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

13770471440 is a wasteful number, since it uses less digits than its factorization.

13770471440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648287 (or 15648281 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 13770471440 in words is "thirteen billion, seven hundred seventy million, four hundred seventy-one thousand, four hundred forty".