13765833440 has 24 divisors (see below), whose sum is σ = 32521781880. Its totient is φ = 5506333312.

The previous prime is 13765833439. The next prime is 13765833457. The reversal of 13765833440 is 4433856731.

It is a junction number, because it is equal to n+sod(n) for n = 13765833391 and 13765833400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43018070 + ... + 43018389.

It is an arithmetic number, because the mean of its divisors is an integer number (1355074245).

Almost surely, 2^13765833440 is an apocalyptic number.

13765833440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13765833440 is an abundant number, since it is smaller than the sum of its proper divisors (18755948440).

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

13765833440 is an equidigital number, since it uses as much as digits as its factorization.

13765833440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86036474 (or 86036466 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 13765833440 in words is "thirteen billion, seven hundred sixty-five million, eight hundred thirty-three thousand, four hundred forty".