4000041255320 has 256 divisors, whose sum is σ = 10402546176000. Its totient is φ = 1370489702400.

The previous prime is 4000041255319. The next prime is 4000041255323. The reversal of 4000041255320 is 235521400004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4000041255320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000041255323) 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, 757724441 + ... + 757729719.

It is an arithmetic number, because the mean of its divisors is an integer number (40634946000).

Almost surely, 2^{4000041255320} is an apocalyptic number.

4000041255320 is a gapful number since it is divisible by the number (40) 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 4000041255320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201273088000).

4000041255320 is an abundant number, since it is smaller than the sum of its proper divisors (6402504920680).

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

4000041255320 is a wasteful number, since it uses less digits than its factorization.

4000041255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754 (or 6750 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 4000041255320 its reverse (235521400004), we get a palindrome (4235562655324).

The spelling of 4000041255320 in words is "four trillion, forty-one million, two hundred fifty-five thousand, three hundred twenty".