445504450 has 12 divisors (see below), whose sum is σ = 828638370. Its totient is φ = 178201760.

The previous prime is 445504393. The next prime is 445504459. The reversal of 445504450 is 54405544.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 258662889 + 186841561 = 16083^2 + 13669^2 .

It is not an unprimeable number, because it can be changed into a prime (445504459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4454995 + ... + 4455094.

Almost surely, 2^445504450 is an apocalyptic number.

445504450 is a deficient number, since it is larger than the sum of its proper divisors (383133920).

445504450 is a wasteful number, since it uses less digits than its factorization.

445504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910101 (or 8910096 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 445504450 is about 21106.9763348519. The cubic root of 445504450 is about 763.7490484049.

Adding to 445504450 its reverse (54405544), we get a palindrome (499909994).

The spelling of 445504450 in words is "four hundred forty-five million, five hundred four thousand, four hundred fifty".