352640622042 has 24 divisors (see below), whose sum is σ = 764104494816. Its totient is φ = 117539210376.

The previous prime is 352640622013. The next prime is 352640622049. The reversal of 352640622042 is 240226046253.

352640622042 is a `hidden beast` number, since 3 + 5 + 2 + 640 + 6 + 2 + 2 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 352640621988 and 352640622006.

It is not an unprimeable number, because it can be changed into a prime (352640622049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351388 + ... + 910359.

It is an arithmetic number, because the mean of its divisors is an integer number (31837687284).

Almost surely, 2^352640622042 is an apocalyptic number.

352640622042 is an abundant number, since it is smaller than the sum of its proper divisors (411463872774).

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

352640622042 is a wasteful number, since it uses less digits than its factorization.

352640622042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277282 (or 1277279 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 352640622042 its reverse (240226046253), we get a palindrome (592866668295).

The spelling of 352640622042 in words is "three hundred fifty-two billion, six hundred forty million, six hundred twenty-two thousand, forty-two".