445315340 has 48 divisors (see below), whose sum is σ = 998065152. Its totient is φ = 166311936.

The previous prime is 445315307. The next prime is 445315361. The reversal of 445315340 is 43513544.

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, 38024 + ... + 48336.

It is an arithmetic number, because the mean of its divisors is an integer number (20793024).

Almost surely, 2^445315340 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 445315340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499032576).

445315340 is an abundant number, since it is smaller than the sum of its proper divisors (552749812).

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

445315340 is a wasteful number, since it uses less digits than its factorization.

445315340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10464 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 445315340 is about 21102.4960608929. The cubic root of 445315340 is about 763.6409664139.

Adding to 445315340 its reverse (43513544), we get a palindrome (488828884).

The spelling of 445315340 in words is "four hundred forty-five million, three hundred fifteen thousand, three hundred forty".