4446645426 has 24 divisors (see below), whose sum is σ = 10201128444. Its totient is φ = 1395025920.

The previous prime is 4446645397. The next prime is 4446645457. The reversal of 4446645426 is 6245466444.

4446645426 is a `hidden beast` number, since 4 + 4 + 46 + 64 + 542 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4204874025 + 241771401 = 64845^2 + 15549^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7265455 + ... + 7266066.

Almost surely, 2^4446645426 is an apocalyptic number.

4446645426 is an abundant number, since it is smaller than the sum of its proper divisors (5754483018).

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

4446645426 is a wasteful number, since it uses less digits than its factorization.

4446645426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14531546 (or 14531543 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The square root of 4446645426 is about 66683.1719851418. The cubic root of 4446645426 is about 1644.4127424620.

The spelling of 4446645426 in words is "four billion, four hundred forty-six million, six hundred forty-five thousand, four hundred twenty-six".