41511004040 has 128 divisors (see below), whose sum is σ = 103374144000. Its totient is φ = 14876544000.

The previous prime is 41511004037. The next prime is 41511004069. The reversal of 41511004040 is 4040011514.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10174721 + ... + 10178799.

It is an arithmetic number, because the mean of its divisors is an integer number (807610500).

Almost surely, 2^41511004040 is an apocalyptic number.

41511004040 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 41511004040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51687072000).

41511004040 is an abundant number, since it is smaller than the sum of its proper divisors (61863139960).

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

41511004040 is a wasteful number, since it uses less digits than its factorization.

41511004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 41511004040 its reverse (4040011514), we get a palindrome (45551015554).

The spelling of 41511004040 in words is "forty-one billion, five hundred eleven million, four thousand, forty".