290131388808 has 32 divisors (see below), whose sum is σ = 732509948160. Its totient is φ = 95752932800.

The previous prime is 290131388801. The next prime is 290131388809. The reversal of 290131388808 is 808883131092.

It is not an unprimeable number, because it can be changed into a prime (290131388801) 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 7 ways as a sum of consecutive naturals, for example, 59843160 + ... + 59848007.

It is an arithmetic number, because the mean of its divisors is an integer number (22890935880).

Almost surely, 2^290131388808 is an apocalyptic number.

It is an amenable number.

290131388808 is an abundant number, since it is smaller than the sum of its proper divisors (442378559352).

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

290131388808 is a wasteful number, since it uses less digits than its factorization.

290131388808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119691277 (or 119691273 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 290131388808 in words is "two hundred ninety billion, one hundred thirty-one million, three hundred eighty-eight thousand, eight hundred eight".