14155533401420 has 24 divisors (see below), whose sum is σ = 29730948080400. Its totient is φ = 5661388991552.

The previous prime is 14155533401419. The next prime is 14155533401423. The reversal of 14155533401420 is 2410433555141.

It is not an unprimeable number, because it can be changed into a prime (14155533401423) 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, 51382250 + ... + 51657009.

It is an arithmetic number, because the mean of its divisors is an integer number (1238789503350).

Almost surely, 2^{14155533401420} is an apocalyptic number.

14155533401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14155533401420 is an abundant number, since it is smaller than the sum of its proper divisors (15575414678980).

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

14155533401420 is a wasteful number, since it uses less digits than its factorization.

14155533401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103046137 (or 103046135 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 14155533401420 its reverse (2410433555141), we get a palindrome (16565966956561).

The spelling of 14155533401420 in words is "fourteen trillion, one hundred fifty-five billion, five hundred thirty-three million, four hundred one thousand, four hundred twenty".