4021625466 has 24 divisors (see below), whose sum is σ = 8926048404. Its totient is φ = 1307845440.

The previous prime is 4021625459. The next prime is 4021625473. The reversal of 4021625466 is 6645261204.

4021625466 is a `hidden beast` number, since 4 + 0 + 21 + 625 + 4 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (4021625459) and next prime (4021625473).

It can be written as a sum of positive squares in 2 ways, for example, as 3779667441 + 241958025 = 61479^2 + 15555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4021625466.

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 11 ways as a sum of consecutive naturals, for example, 2723941 + ... + 2725416.

Almost surely, 2^4021625466 is an apocalyptic number.

4021625466 is an abundant number, since it is smaller than the sum of its proper divisors (4904422938).

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

4021625466 is a wasteful number, since it uses less digits than its factorization.

4021625466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449406 (or 5449403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 4021625466 is about 63416.2870720133. The cubic root of 4021625466 is about 1590.2566027059.

The spelling of 4021625466 in words is "four billion, twenty-one million, six hundred twenty-five thousand, four hundred sixty-six".