4011522540 has 48 divisors (see below), whose sum is σ = 11236669920. Its totient is φ = 1069319680.

The previous prime is 4011522511. The next prime is 4011522547. The reversal of 4011522540 is 452251104.

It is a self number, because there is not a number n which added to its sum of digits gives 4011522540.

It is not an unprimeable number, because it can be changed into a prime (4011522547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159976 + ... + 183344.

It is an arithmetic number, because the mean of its divisors is an integer number (234097290).

Almost surely, 2^4011522540 is an apocalyptic number.

It is an amenable number.

4011522540 is an abundant number, since it is smaller than the sum of its proper divisors (7225147380).

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

4011522540 is a wasteful number, since it uses less digits than its factorization.

4011522540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26242 (or 26240 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4011522540 is about 63336.5813728528. The cubic root of 4011522540 is about 1588.9238317218.

Adding to 4011522540 its reverse (452251104), we get a palindrome (4463773644).

The spelling of 4011522540 in words is "four billion, eleven million, five hundred twenty-two thousand, five hundred forty".