4155441020052 has 96 divisors (see below), whose sum is σ = 11673876910080. Its totient is φ = 1123866783360.

The previous prime is 4155441019973. The next prime is 4155441020057. The reversal of 4155441020052 is 2500201445514.

It is a happy number.

It is a super-2 number, since 2×4155441020052² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4155441019995 and 4155441020022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155441020057) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 907138 + ... + 3022214.

It is an arithmetic number, because the mean of its divisors is an integer number (121602884480).

Almost surely, 2^{4155441020052} is an apocalyptic number.

4155441020052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155441020052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5836938455040).

4155441020052 is an abundant number, since it is smaller than the sum of its proper divisors (7518435890028).

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

4155441020052 is a wasteful number, since it uses less digits than its factorization.

4155441020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116341 (or 2116339 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 4155441020052 its reverse (2500201445514), we get a palindrome (6655642465566).

The spelling of 4155441020052 in words is "four trillion, one hundred fifty-five billion, four hundred forty-one million, twenty thousand, fifty-two".