290289044 has 24 divisors (see below), whose sum is σ = 523309248. Its totient is φ = 140817600.

The previous prime is 290289037. The next prime is 290289073. The reversal of 290289044 is 440982092.

It is a junction number, because it is equal to n+sod(n) for n = 290288989 and 290289007.

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, 20384 + ... + 31560.

It is an arithmetic number, because the mean of its divisors is an integer number (21804552).

Almost surely, 2^290289044 is an apocalyptic number.

It is an amenable number.

290289044 is a deficient number, since it is larger than the sum of its proper divisors (233020204).

290289044 is a wasteful number, since it uses less digits than its factorization.

290289044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375 (or 11373 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 290289044 is about 17037.8708763742. The cubic root of 290289044 is about 662.1304313056.

The spelling of 290289044 in words is "two hundred ninety million, two hundred eighty-nine thousand, forty-four".