14215051240 has 128 divisors (see below), whose sum is σ = 35925765120. Its totient is φ = 5026406400.

The previous prime is 14215051231. The next prime is 14215051243. The reversal of 14215051240 is 4215051241.

It is not an unprimeable number, because it can be changed into a prime (14215051243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1559095 + ... + 1568185.

It is an arithmetic number, because the mean of its divisors is an integer number (280670040).

Almost surely, 2^14215051240 is an apocalyptic number.

14215051240 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 14215051240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17962882560).

14215051240 is an abundant number, since it is smaller than the sum of its proper divisors (21710713880).

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

14215051240 is a wasteful number, since it uses less digits than its factorization.

14215051240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243 (or 9239 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Subtracting from 14215051240 its reverse (4215051241), we obtain a palindrome (9999999999).

The spelling of 14215051240 in words is "fourteen billion, two hundred fifteen million, fifty-one thousand, two hundred forty".