290498899112 has 32 divisors (see below), whose sum is σ = 587607388200. Its totient is φ = 134126014464.

The previous prime is 290498899073. The next prime is 290498899133. The reversal of 290498899112 is 211998894092.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 275484317956 + 15014581156 = 524866^2 + 122534^2 .

It is a super-2 number, since 2×290498899112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20143937 + ... + 20158352.

Almost surely, 2^290498899112 is an apocalyptic number.

It is an amenable number.

290498899112 is an abundant number, since it is smaller than the sum of its proper divisors (297108489088).

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

290498899112 is a wasteful number, since it uses less digits than its factorization.

290498899112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302365 (or 40302361 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 62.

The spelling of 290498899112 in words is "two hundred ninety billion, four hundred ninety-eight million, eight hundred ninety-nine thousand, one hundred twelve".