4202424022445 has 24 divisors (see below), whose sum is σ = 5869092737592. Its totient is φ = 2876525527040.

The previous prime is 4202424022441. The next prime is 4202424022453. The reversal of 4202424022445 is 5442204242024.

It can be written as a sum of positive squares in 4 ways, for example, as 230586277636 + 3971837744809 = 480194^2 + 1992947^2 .

It is not a de Polignac number, because 4202424022445 - 2² = 4202424022441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202424022441) 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, 204288404 + ... + 204308973.

It is an arithmetic number, because the mean of its divisors is an integer number (244545530733).

Almost surely, 2^{4202424022445} is an apocalyptic number.

It is an amenable number.

4202424022445 is a deficient number, since it is larger than the sum of its proper divisors (1666668715147).

4202424022445 is a wasteful number, since it uses less digits than its factorization.

4202424022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408597421 (or 408597410 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 4202424022445 its reverse (5442204242024), we get a palindrome (9644628264469).

The spelling of 4202424022445 in words is "four trillion, two hundred two billion, four hundred twenty-four million, twenty-two thousand, four hundred forty-five".