2990666390 has 8 divisors (see below), whose sum is σ = 5383199520. Its totient is φ = 1196266552.

The previous prime is 2990666381. The next prime is 2990666407. The reversal of 2990666390 is 936660992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149533310 + ... + 149533329.

It is an arithmetic number, because the mean of its divisors is an integer number (672899940).

Almost surely, 2^2990666390 is an apocalyptic number.

2990666390 is a deficient number, since it is larger than the sum of its proper divisors (2392533130).

2990666390 is a wasteful number, since it uses less digits than its factorization.

2990666390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299066646.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 2990666390 is about 54686.9855632947. The cubic root of 2990666390 is about 1440.7523059106.

The spelling of 2990666390 in words is "two billion, nine hundred ninety million, six hundred sixty-six thousand, three hundred ninety".