440394225 has 48 divisors (see below), whose sum is σ = 774271872. Its totient is φ = 220380160.

The previous prime is 440394209. The next prime is 440394247. The reversal of 440394225 is 522493044.

It is not a de Polignac number, because 440394225 - 2⁴ = 440394209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89017 + ... + 93833.

It is an arithmetic number, because the mean of its divisors is an integer number (16130664).

Almost surely, 2^440394225 is an apocalyptic number.

It is an amenable number.

440394225 is a deficient number, since it is larger than the sum of its proper divisors (333877647).

440394225 is a wasteful number, since it uses less digits than its factorization.

440394225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906 (or 4901 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 440394225 is about 20985.5718292354. The cubic root of 440394225 is about 760.8175787291.

The spelling of 440394225 in words is "four hundred forty million, three hundred ninety-four thousand, two hundred twenty-five".