352404403656 has 64 divisors (see below), whose sum is σ = 882497851200. Its totient is φ = 117270075648.

The previous prime is 352404403627. The next prime is 352404403657. The reversal of 352404403656 is 656304404253.

It is a happy number.

It is a super-2 number, since 2×352404403656² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (352404403657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38581266 + ... + 38590398.

It is an arithmetic number, because the mean of its divisors is an integer number (13789028925).

Almost surely, 2^352404403656 is an apocalyptic number.

It is an amenable number.

352404403656 is an abundant number, since it is smaller than the sum of its proper divisors (530093447544).

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

352404403656 is a wasteful number, since it uses less digits than its factorization.

352404403656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678 (or 11674 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 352404403656 in words is "three hundred fifty-two billion, four hundred four million, four hundred three thousand, six hundred fifty-six".