4011220026552 has 256 divisors, whose sum is σ = 10518122419200. Its totient is φ = 1273755893760.

The previous prime is 4011220026551. The next prime is 4011220026613. The reversal of 4011220026552 is 2556200221104.

It is a super-2 number, since 2×4011220026552² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011220026551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4105649488 + ... + 4105650464.

It is an arithmetic number, because the mean of its divisors is an integer number (41086415700).

Almost surely, 2^{4011220026552} 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 4011220026552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5259061209600).

4011220026552 is an abundant number, since it is smaller than the sum of its proper divisors (6506902392648).

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

4011220026552 is a wasteful number, since it uses less digits than its factorization.

4011220026552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 4011220026552 its reverse (2556200221104), we get a palindrome (6567420247656).

The spelling of 4011220026552 in words is "four trillion, eleven billion, two hundred twenty million, twenty-six thousand, five hundred fifty-two".