14042155440 has 80 divisors (see below), whose sum is σ = 43672704768. Its totient is φ = 3732357888.

The previous prime is 14042155423. The next prime is 14042155483. The reversal of 14042155440 is 4455124041.

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

It is a super-3 number, since 3×14042155440³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14042155398 and 14042155407.

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, 21612 + ... + 168971.

Almost surely, 2^14042155440 is an apocalyptic number.

14042155440 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 14042155440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21836352384).

14042155440 is an abundant number, since it is smaller than the sum of its proper divisors (29630549328).

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

14042155440 is a wasteful number, since it uses less digits than its factorization.

14042155440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190906 (or 190900 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 14042155440 its reverse (4455124041), we get a palindrome (18497279481).

The spelling of 14042155440 in words is "fourteen billion, forty-two million, one hundred fifty-five thousand, four hundred forty".