14151121220440 has 32 divisors (see below), whose sum is σ = 33712965262080. Its totient is φ = 5327480929792.

The previous prime is 14151121220429. The next prime is 14151121220461. The reversal of 14151121220440 is 4402212115141.

It is a junction number, because it is equal to n+sod(n) for n = 14151121220399 and 14151121220408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10405235512 + ... + 10405236871.

It is an arithmetic number, because the mean of its divisors is an integer number (1053530164440).

Almost surely, 2^{14151121220440} is an apocalyptic number.

14151121220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14151121220440 is an abundant number, since it is smaller than the sum of its proper divisors (19561844041640).

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

14151121220440 is a wasteful number, since it uses less digits than its factorization.

14151121220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810472411 (or 20810472407 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 14151121220440 its reverse (4402212115141), we get a palindrome (18553333335581).

The spelling of 14151121220440 in words is "fourteen trillion, one hundred fifty-one billion, one hundred twenty-one million, two hundred twenty thousand, four hundred forty".