42103220404 has 36 divisors (see below), whose sum is σ = 85738701636. Its totient is φ = 18038221824.

The previous prime is 42103220389. The next prime is 42103220429. The reversal of 42103220404 is 40402230124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38317279504 + 3785940900 = 195748^2 + 61530^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580614 + ... + 649090.

It is an arithmetic number, because the mean of its divisors is an integer number (2381630601).

Almost surely, 2^42103220404 is an apocalyptic number.

It is an amenable number.

42103220404 is an abundant number, since it is smaller than the sum of its proper divisors (43635481232).

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

42103220404 is a wasteful number, since it uses less digits than its factorization.

42103220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71632 (or 71623 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42103220404 its reverse (40402230124), we get a palindrome (82505450528).

The spelling of 42103220404 in words is "forty-two billion, one hundred three million, two hundred twenty thousand, four hundred four".