202044604642 has 16 divisors (see below), whose sum is σ = 305291259000. Its totient is φ = 100281697920.

The previous prime is 202044604579. The next prime is 202044604661. The reversal of 202044604642 is 246406440202.

It can be written as a sum of positive squares in 4 ways, for example, as 166399542241 + 35645062401 = 407921^2 + 188799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202044604598 and 202044604607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268792 + ... + 690172.

Almost surely, 2^202044604642 is an apocalyptic number.

202044604642 is a deficient number, since it is larger than the sum of its proper divisors (103246654358).

202044604642 is a wasteful number, since it uses less digits than its factorization.

202044604642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423141.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 202044604642 in words is "two hundred two billion, forty-four million, six hundred four thousand, six hundred forty-two".