445415340 has 48 divisors (see below), whose sum is σ = 1264259808. Its totient is φ = 117149184.

The previous prime is 445415323. The next prime is 445415357. The reversal of 445415340 is 43514544.

It is an interprime number because it is at equal distance from previous prime (445415323) and next prime (445415357).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 445415298 and 445415307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46467 + ... + 55226.

It is an arithmetic number, because the mean of its divisors is an integer number (26338746).

Almost surely, 2^445415340 is an apocalyptic number.

It is an amenable number.

445415340 is an abundant number, since it is smaller than the sum of its proper divisors (818844468).

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

445415340 is a wasteful number, since it uses less digits than its factorization.

445415340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101778 (or 101776 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 445415340 is about 21104.8653158460. The cubic root of 445415340 is about 763.6981232002.

Adding to 445415340 its reverse (43514544), we get a palindrome (488929884).

The spelling of 445415340 in words is "four hundred forty-five million, four hundred fifteen thousand, three hundred forty".