220040444442 has 32 divisors (see below), whose sum is σ = 541638018432. Its totient is φ = 58032644544.

The previous prime is 220040444431. The next prime is 220040444473. The reversal of 220040444442 is 244444040022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201501693 + ... + 201502784.

It is an arithmetic number, because the mean of its divisors is an integer number (16926188076).

Almost surely, 2^220040444442 is an apocalyptic number.

220040444442 is an abundant number, since it is smaller than the sum of its proper divisors (321597573990).

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

220040444442 is a wasteful number, since it uses less digits than its factorization.

220040444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403004502.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 220040444442 its reverse (244444040022), we get a palindrome (464484484464).

The spelling of 220040444442 in words is "two hundred twenty billion, forty million, four hundred forty-four thousand, four hundred forty-two".