4001045622 has 16 divisors (see below), whose sum is σ = 9145247232. Its totient is φ = 1143155880.

The previous prime is 4001045617. The next prime is 4001045651. The reversal of 4001045622 is 2265401004.

It is a junction number, because it is equal to n+sod(n) for n = 4001045592 and 4001045601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47631454 + ... + 47631537.

It is an arithmetic number, because the mean of its divisors is an integer number (571577952).

Almost surely, 2^4001045622 is an apocalyptic number.

4001045622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4001045622 is an abundant number, since it is smaller than the sum of its proper divisors (5144201610).

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

4001045622 is a wasteful number, since it uses less digits than its factorization.

4001045622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95263003.

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

The square root of 4001045622 is about 63253.8190309486. The cubic root of 4001045622 is about 1587.5393583728.

Adding to 4001045622 its reverse (2265401004), we get a palindrome (6266446626).

The spelling of 4001045622 in words is "four billion, one million, forty-five thousand, six hundred twenty-two".