14155532240 has 40 divisors (see below), whose sum is σ = 32921324448. Its totient is φ = 5660542080.

The previous prime is 14155532231. The next prime is 14155532243. The reversal of 14155532240 is 4223555141.

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 = 14155532197 and 14155532206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14155532243) 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, 267155 + ... + 315725.

Almost surely, 2^14155532240 is an apocalyptic number.

14155532240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14155532240 is an abundant number, since it is smaller than the sum of its proper divisors (18765792208).

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

14155532240 is a wasteful number, since it uses less digits than its factorization.

14155532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52227 (or 52221 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 14155532240 in words is "fourteen billion, one hundred fifty-five million, five hundred thirty-two thousand, two hundred forty".