4401025566 has 32 divisors (see below), whose sum is σ = 10071226368. Its totient is φ = 1255968480.

The previous prime is 4401025561. The next prime is 4401025571. The reversal of 4401025566 is 6655201044.

It is an interprime number because it is at equal distance from previous prime (4401025561) and next prime (4401025571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401025561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24465 + ... + 96956.

It is an arithmetic number, because the mean of its divisors is an integer number (314725824).

Almost surely, 2^4401025566 is an apocalyptic number.

4401025566 is an abundant number, since it is smaller than the sum of its proper divisors (5670200802).

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

4401025566 is a wasteful number, since it uses less digits than its factorization.

4401025566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122296.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4401025566 is about 66340.2258512887. The cubic root of 4401025566 is about 1638.7698446502.

The spelling of 4401025566 in words is "four billion, four hundred one million, twenty-five thousand, five hundred sixty-six".