440064007 has 4 divisors (see below), whose sum is σ = 440877976. Its totient is φ = 439250040.

The previous prime is 440063983. The next prime is 440064011. The reversal of 440064007 is 700460044.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 440064007 - 2¹¹ = 440061959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440064047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406173 + ... + 407254.

It is an arithmetic number, because the mean of its divisors is an integer number (110219494).

Almost surely, 2^440064007 is an apocalyptic number.

440064007 is a deficient number, since it is larger than the sum of its proper divisors (813969).

440064007 is an equidigital number, since it uses as much as digits as its factorization.

440064007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813968.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 440064007 is about 20977.7026149195. The cubic root of 440064007 is about 760.6273715123.

The spelling of 440064007 in words is "four hundred forty million, sixty-four thousand, seven".