4001046522 has 32 divisors (see below), whose sum is σ = 8816001984. Its totient is φ = 1200432000.

The previous prime is 4001046493. The next prime is 4001046583. The reversal of 4001046522 is 2256401004.

It is a junction number, because it is equal to n+sod(n) for n = 4001046492 and 4001046501.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 293443 + ... + 306774.

It is an arithmetic number, because the mean of its divisors is an integer number (275500062).

Almost surely, 2^4001046522 is an apocalyptic number.

4001046522 is an abundant number, since it is smaller than the sum of its proper divisors (4814955462).

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

4001046522 is a wasteful number, since it uses less digits than its factorization.

4001046522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600334.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4001046522 is about 63253.8261451432. The cubic root of 4001046522 is about 1587.5394774071.

Adding to 4001046522 its reverse (2256401004), we get a palindrome (6257447526).

The spelling of 4001046522 in words is "four billion, one million, forty-six thousand, five hundred twenty-two".