444666516 has 24 divisors (see below), whose sum is σ = 1185777600. Its totient is φ = 127047552.

The previous prime is 444666499. The next prime is 444666529. The reversal of 444666516 is 615666444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646741 + ... + 2646908.

It is an arithmetic number, because the mean of its divisors is an integer number (49407400).

Almost surely, 2^444666516 is an apocalyptic number.

It is an amenable number.

444666516 is an abundant number, since it is smaller than the sum of its proper divisors (741111084).

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

444666516 is a wasteful number, since it uses less digits than its factorization.

444666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293663 (or 5293661 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 444666516 is about 21087.1172994319. The cubic root of 444666516 is about 763.2699114413.

The spelling of 444666516 in words is "four hundred forty-four million, six hundred sixty-six thousand, five hundred sixteen".