290086423028 has 24 divisors (see below), whose sum is σ = 514894431744. Its totient is φ = 142974468000.

The previous prime is 290086422971. The next prime is 290086423049. The reversal of 290086423028 is 820324680092.

It is a self number, because there is not a number n which added to its sum of digits gives 290086423028.

It is a congruent number.

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, 1529501 + ... + 1708667.

It is an arithmetic number, because the mean of its divisors is an integer number (21453934656).

Almost surely, 2^290086423028 is an apocalyptic number.

It is an amenable number.

290086423028 is a deficient number, since it is larger than the sum of its proper divisors (224808008716).

290086423028 is a wasteful number, since it uses less digits than its factorization.

290086423028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184943 (or 184941 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 290086423028 in words is "two hundred ninety billion, eighty-six million, four hundred twenty-three thousand, twenty-eight".