54222002040 has 128 divisors (see below), whose sum is σ = 169455052800. Its totient is φ = 13864296960.

The previous prime is 54222002017. The next prime is 54222002047. The reversal of 54222002040 is 4020022245.

It is a junction number, because it is equal to n+sod(n) for n = 54222001998 and 54222002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54222002047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338619 + ... + 472341.

It is an arithmetic number, because the mean of its divisors is an integer number (1323867600).

Almost surely, 2^54222002040 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 54222002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84727526400).

54222002040 is an abundant number, since it is smaller than the sum of its proper divisors (115233050760).

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

54222002040 is a wasteful number, since it uses less digits than its factorization.

54222002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133877 (or 133873 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 54222002040 its reverse (4020022245), we get a palindrome (58242024285).

The spelling of 54222002040 in words is "fifty-four billion, two hundred twenty-two million, two thousand, forty".