445643360 has 48 divisors (see below), whose sum is σ = 1055754000. Its totient is φ = 177762816.

The previous prime is 445643323. The next prime is 445643399. The reversal of 445643360 is 63346544.

It is a self number, because there is not a number n which added to its sum of digits gives 445643360.

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, 56966 + ... + 64314.

It is an arithmetic number, because the mean of its divisors is an integer number (21994875).

Almost surely, 2^445643360 is an apocalyptic number.

445643360 is a gapful number since it is divisible by the number (40) 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 445643360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527877000).

445643360 is an abundant number, since it is smaller than the sum of its proper divisors (610110640).

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

445643360 is a wasteful number, since it uses less digits than its factorization.

445643360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 445643360 is about 21110.2666965626. The cubic root of 445643360 is about 763.8284201190.

The spelling of 445643360 in words is "four hundred forty-five million, six hundred forty-three thousand, three hundred sixty".