4022440251245 has 32 divisors (see below), whose sum is σ = 5370313814880. Its totient is φ = 2890135572480.

The previous prime is 4022440251241. The next prime is 4022440251283. The reversal of 4022440251245 is 5421520442204.

It can be written as a sum of positive squares in 16 ways, for example, as 4008848888521 + 13591362724 = 2002211^2 + 116582^2 .

It is not a de Polignac number, because 4022440251245 - 2² = 4022440251241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022440251241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4541876 + ... + 5354765.

It is an arithmetic number, because the mean of its divisors is an integer number (167822306715).

Almost surely, 2^{4022440251245} is an apocalyptic number.

It is an amenable number.

4022440251245 is a deficient number, since it is larger than the sum of its proper divisors (1347873563635).

4022440251245 is an equidigital number, since it uses as much as digits as its factorization.

4022440251245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896722 (or 9896696 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 4022440251245 its reverse (5421520442204), we get a palindrome (9443960693449).

The spelling of 4022440251245 in words is "four trillion, twenty-two billion, four hundred forty million, two hundred fifty-one thousand, two hundred forty-five".