308255032990 has 16 divisors (see below), whose sum is σ = 556370943552. Its totient is φ = 122966038944.

The previous prime is 308255032937. The next prime is 308255032991. The reversal of 308255032990 is 99230552803.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 308255032990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308255032991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41992929 + ... + 42000268.

It is an arithmetic number, because the mean of its divisors is an integer number (34773183972).

Almost surely, 2^308255032990 is an apocalyptic number.

308255032990 is a deficient number, since it is larger than the sum of its proper divisors (248115910562).

308255032990 is a wasteful number, since it uses less digits than its factorization.

308255032990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83993571.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 308255032990 in words is "three hundred eight billion, two hundred fifty-five million, thirty-two thousand, nine hundred ninety".