13755355240 has 64 divisors (see below), whose sum is σ = 33951960000. Its totient is φ = 4973975040.

The previous prime is 13755355219. The next prime is 13755355249. The reversal of 13755355240 is 4255355731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13755355193 and 13755355202.

It is not an unprimeable number, because it can be changed into a prime (13755355249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8565 + ... + 166084.

It is an arithmetic number, because the mean of its divisors is an integer number (530499375).

Almost surely, 2^13755355240 is an apocalyptic number.

13755355240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13755355240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16975980000).

13755355240 is an abundant number, since it is smaller than the sum of its proper divisors (20196604760).

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

13755355240 is a wasteful number, since it uses less digits than its factorization.

13755355240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174850 (or 174846 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 13755355240 in words is "thirteen billion, seven hundred fifty-five million, three hundred fifty-five thousand, two hundred forty".