440272620 has 72 divisors (see below), whose sum is σ = 1371608784. Its totient is φ = 114231168.

The previous prime is 440272619. The next prime is 440272627. The reversal of 440272620 is 26272044.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (440272627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26394 + ... + 39713.

It is an arithmetic number, because the mean of its divisors is an integer number (19050122).

Almost surely, 2^440272620 is an apocalyptic number.

It is an amenable number.

440272620 is an abundant number, since it is smaller than the sum of its proper divisors (931336164).

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

440272620 is a wasteful number, since it uses less digits than its factorization.

440272620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66159 (or 66154 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 440272620 is about 20982.6742814161. The cubic root of 440272620 is about 760.7475447055.

The spelling of 440272620 in words is "four hundred forty million, two hundred seventy-two thousand, six hundred twenty".