514143440340054 has 96 divisors (see below), whose sum is σ = 1234927939470336. Its totient is φ = 142139749631040.

The previous prime is 514143440339981. The next prime is 514143440340059. The reversal of 514143440340054 is 450043044341415.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 514143440339988 and 514143440340015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514143440340059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61828809 + ... + 69649755.

It is an arithmetic number, because the mean of its divisors is an integer number (12863832702816).

Almost surely, 2^{514143440340054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514143440340054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617463969735168).

514143440340054 is an abundant number, since it is smaller than the sum of its proper divisors (720784499130282).

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

514143440340054 is a wasteful number, since it uses less digits than its factorization.

514143440340054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828210 (or 7828203 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 514143440340054 its reverse (450043044341415), we get a palindrome (964186484681469).

The spelling of 514143440340054 in words is "five hundred fourteen trillion, one hundred forty-three billion, four hundred forty million, three hundred forty thousand, fifty-four".