446144538 has 16 divisors (see below), whose sum is σ = 1019759040. Its totient is φ = 127469856.

The previous prime is 446144507. The next prime is 446144561. The reversal of 446144538 is 835441644.

It is a junction number, because it is equal to n+sod(n) for n = 446144496 and 446144505.

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 7 ways as a sum of consecutive naturals, for example, 5311203 + ... + 5311286.

It is an arithmetic number, because the mean of its divisors is an integer number (63734940).

Almost surely, 2^446144538 is an apocalyptic number.

446144538 is an abundant number, since it is smaller than the sum of its proper divisors (573614502).

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

446144538 is a wasteful number, since it uses less digits than its factorization.

446144538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622501.

The product of its digits is 184320, while the sum is 39.

The square root of 446144538 is about 21122.1338410682. The cubic root of 446144538 is about 764.1146509316.

The spelling of 446144538 in words is "four hundred forty-six million, one hundred forty-four thousand, five hundred thirty-eight".