290668788484 has 12 divisors (see below), whose sum is σ = 508682438208. Its totient is φ = 145330949000.

The previous prime is 290668788467. The next prime is 290668788503. The reversal of 290668788484 is 484887866092.

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 3 ways as a sum of consecutive naturals, for example, 666592 + ... + 1012759.

It is an arithmetic number, because the mean of its divisors is an integer number (42390203184).

Almost surely, 2^290668788484 is an apocalyptic number.

It is an amenable number.

290668788484 is a deficient number, since it is larger than the sum of its proper divisors (218013649724).

290668788484 is a wasteful number, since it uses less digits than its factorization.

290668788484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722626 (or 1722624 counting only the distinct ones).

The product of its (nonzero) digits is 297271296, while the sum is 70.

The spelling of 290668788484 in words is "two hundred ninety billion, six hundred sixty-eight million, seven hundred eighty-eight thousand, four hundred eighty-four".