404220134012052 has 48 divisors (see below), whose sum is σ = 945159369154560. Its totient is φ = 134457381249888.

The previous prime is 404220134012029. The next prime is 404220134012083. The reversal of 404220134012052 is 250210431022404.

It is a happy number.

It is a super-2 number, since 2×404220134012052² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51267349 + ... + 58624067.

It is an arithmetic number, because the mean of its divisors is an integer number (19690820190720).

Almost surely, 2^{404220134012052} is an apocalyptic number.

It is an amenable number.

404220134012052 is an abundant number, since it is smaller than the sum of its proper divisors (540939235142508).

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

404220134012052 is a wasteful number, since it uses less digits than its factorization.

404220134012052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366332 (or 7366330 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 404220134012052 its reverse (250210431022404), we get a palindrome (654430565034456).

The spelling of 404220134012052 in words is "four hundred four trillion, two hundred twenty billion, one hundred thirty-four million, twelve thousand, fifty-two".