202490216790 has 16 divisors (see below), whose sum is σ = 485976520368. Its totient is φ = 53997391136.

The previous prime is 202490216771. The next prime is 202490216821. The reversal of 202490216790 is 97612094202.

202490216790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202490216790² (a number of 23 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374836917 + ... + 3374836976.

It is an arithmetic number, because the mean of its divisors is an integer number (30373532523).

Almost surely, 2^202490216790 is an apocalyptic number.

202490216790 is an abundant number, since it is smaller than the sum of its proper divisors (283486303578).

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

202490216790 is a wasteful number, since it uses less digits than its factorization.

202490216790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749673903.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 202490216790 in words is "two hundred two billion, four hundred ninety million, two hundred sixteen thousand, seven hundred ninety".