445107672 has 96 divisors (see below), whose sum is σ = 1271162880. Its totient is φ = 140495040.

The previous prime is 445107629. The next prime is 445107697. The reversal of 445107672 is 276701544.

445107672 is a `hidden beast` number, since 4 + 4 + 510 + 76 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102783 + ... + 107025.

It is an arithmetic number, because the mean of its divisors is an integer number (13241280).

Almost surely, 2^445107672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445107672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635581440).

445107672 is an abundant number, since it is smaller than the sum of its proper divisors (826055208).

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

445107672 is a wasteful number, since it uses less digits than its factorization.

445107672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4326 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 445107672 is about 21097.5750265285. The cubic root of 445107672 is about 763.5222427173.

The spelling of 445107672 in words is "four hundred forty-five million, one hundred seven thousand, six hundred seventy-two".