445707648 has 96 divisors (see below), whose sum is σ = 1287015600. Its totient is φ = 148055040.

The previous prime is 445707629. The next prime is 445707659. The reversal of 445707648 is 846707544.

445707648 is a `hidden beast` number, since 4 + 4 + 570 + 76 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484533 + ... + 485451.

Almost surely, 2^445707648 is an apocalyptic number.

445707648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445707648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643507800).

445707648 is an abundant number, since it is smaller than the sum of its proper divisors (841307952).

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

445707648 is a wasteful number, since it uses less digits than its factorization.

445707648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 445707648 is about 21111.7893130829. The cubic root of 445707648 is about 763.8651480236.

The spelling of 445707648 in words is "four hundred forty-five million, seven hundred seven thousand, six hundred forty-eight".