4450640422 has 4 divisors (see below), whose sum is σ = 6675960636. Its totient is φ = 2225320210.

The previous prime is 4450640417. The next prime is 4450640429. The reversal of 4450640422 is 2240460544.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4450640429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112660104 + ... + 1112660107.

It is an arithmetic number, because the mean of its divisors is an integer number (1668990159).

Almost surely, 2^4450640422 is an apocalyptic number.

4450640422 is a deficient number, since it is larger than the sum of its proper divisors (2225320214).

4450640422 is a wasteful number, since it uses less digits than its factorization.

4450640422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225320213.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4450640422 is about 66713.1203137734. The cubic root of 4450640422 is about 1644.9050578514.

The spelling of 4450640422 in words is "four billion, four hundred fifty million, six hundred forty thousand, four hundred twenty-two".