440420224260 has 48 divisors (see below), whose sum is σ = 1233244857600. Its totient is φ = 117438895104.

The previous prime is 440420224253. The next prime is 440420224267. The reversal of 440420224260 is 62422024044.

It is an interprime number because it is at equal distance from previous prime (440420224253) and next prime (440420224267).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (440420224267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943956 + ... + 1331124.

It is an arithmetic number, because the mean of its divisors is an integer number (25692601200).

Almost surely, 2^440420224260 is an apocalyptic number.

It is an amenable number.

440420224260 is an abundant number, since it is smaller than the sum of its proper divisors (792824633340).

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

440420224260 is a wasteful number, since it uses less digits than its factorization.

440420224260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406140 (or 406138 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 440420224260 in words is "four hundred forty billion, four hundred twenty million, two hundred twenty-four thousand, two hundred sixty".