4045021626 has 32 divisors (see below), whose sum is σ = 8124177600. Its totient is φ = 1342664064.

The previous prime is 4045021571. The next prime is 4045021627. The reversal of 4045021626 is 6261205404.

It is a super-4 number, since 4×4045021626⁴ (a number of 40 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4045021593 and 4045021602.

It is not an unprimeable number, because it can be changed into a prime (4045021627) 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, 2346801 + ... + 2348523.

It is an arithmetic number, because the mean of its divisors is an integer number (253880550).

Almost surely, 2^4045021626 is an apocalyptic number.

4045021626 is an abundant number, since it is smaller than the sum of its proper divisors (4079155974).

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

4045021626 is a wasteful number, since it uses less digits than its factorization.

4045021626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4045021626 is about 63600.4844792868. The cubic root of 4045021626 is about 1593.3344610653.

The spelling of 4045021626 in words is "four billion, forty-five million, twenty-one thousand, six hundred twenty-six".