54220143142240 has 96 divisors (see below), whose sum is σ = 129872430910656. Its totient is φ = 21387235000320.

The previous prime is 54220143142177. The next prime is 54220143142241. The reversal of 54220143142240 is 4224134102245.

It is a junction number, because it is equal to n+sod(n) for n = 54220143142196 and 54220143142205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54220143142241) 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 15 ways as a sum of consecutive naturals, for example, 67144080 + ... + 67946800.

It is an arithmetic number, because the mean of its divisors is an integer number (1352837821986).

Almost surely, 2^{54220143142240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54220143142240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64936215455328).

54220143142240 is an abundant number, since it is smaller than the sum of its proper divisors (75652287768416).

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

54220143142240 is a wasteful number, since it uses less digits than its factorization.

54220143142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808592 (or 808584 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 54220143142240 its reverse (4224134102245), we get a palindrome (58444277244485).

The spelling of 54220143142240 in words is "fifty-four trillion, two hundred twenty billion, one hundred forty-three million, one hundred forty-two thousand, two hundred forty".