2565016446 has 32 divisors (see below), whose sum is σ = 5408206848. Its totient is φ = 809817120.

The previous prime is 2565016429. The next prime is 2565016451. The reversal of 2565016446 is 6446105652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137965 + ... + 155448.

It is an arithmetic number, because the mean of its divisors is an integer number (169006464).

Almost surely, 2^2565016446 is an apocalyptic number.

2565016446 is an abundant number, since it is smaller than the sum of its proper divisors (2843190402).

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

2565016446 is a wasteful number, since it uses less digits than its factorization.

2565016446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293496.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2565016446 is about 50645.9914109695. The cubic root of 2565016446 is about 1368.8737162043.

The spelling of 2565016446 in words is "two billion, five hundred sixty-five million, sixteen thousand, four hundred forty-six".