444851411845 has 16 divisors (see below), whose sum is σ = 544608757872. Its totient is φ = 348707407360.

The previous prime is 444851411839. The next prime is 444851411881. The reversal of 444851411845 is 548114158444.

It can be written as a sum of positive squares in 8 ways, for example, as 133686028161 + 311165383684 = 365631^2 + 557822^2 .

It is not a de Polignac number, because 444851411845 - 2¹³ = 444851403653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901282 + ... + 1304611.

It is an arithmetic number, because the mean of its divisors is an integer number (34038047367).

Almost surely, 2^444851411845 is an apocalyptic number.

It is an amenable number.

444851411845 is a deficient number, since it is larger than the sum of its proper divisors (99757346027).

444851411845 is a wasteful number, since it uses less digits than its factorization.

444851411845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206712.

The product of its digits is 1638400, while the sum is 49.

The spelling of 444851411845 in words is "four hundred forty-four billion, eight hundred fifty-one million, four hundred eleven thousand, eight hundred forty-five".