440225426 has 4 divisors (see below), whose sum is σ = 660338142. Its totient is φ = 220112712.

The previous prime is 440225411. The next prime is 440225431. The reversal of 440225426 is 624522044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 310288225 + 129937201 = 17615^2 + 11399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056355 + ... + 110056358.

Almost surely, 2^440225426 is an apocalyptic number.

440225426 is a deficient number, since it is larger than the sum of its proper divisors (220112716).

440225426 is a wasteful number, since it uses less digits than its factorization.

440225426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220112715.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 440225426 is about 20981.5496567818. The cubic root of 440225426 is about 760.7203615460.

The spelling of 440225426 in words is "four hundred forty million, two hundred twenty-five thousand, four hundred twenty-six".