440063511642 has 24 divisors (see below), whose sum is σ = 965540197440. Its totient is φ = 144831028680.

The previous prime is 440063511637. The next prime is 440063511647. The reversal of 440063511642 is 246115360044.

440063511642 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 6 + 3 + 5 + 1 + 1 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (440063511637) and next prime (440063511647).

It is a junction number, because it is equal to n+sod(n) for n = 440063511597 and 440063511606.

It is not an unprimeable number, because it can be changed into a prime (440063511647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154732584 + ... + 154735427.

It is an arithmetic number, because the mean of its divisors is an integer number (40230841560).

Almost surely, 2^440063511642 is an apocalyptic number.

440063511642 is an abundant number, since it is smaller than the sum of its proper divisors (525476685798).

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

440063511642 is a wasteful number, since it uses less digits than its factorization.

440063511642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309468098 (or 309468095 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 440063511642 its reverse (246115360044), we get a palindrome (686178871686).

The spelling of 440063511642 in words is "four hundred forty billion, sixty-three million, five hundred eleven thousand, six hundred forty-two".