30390256246 has 8 divisors (see below), whose sum is σ = 52097582160. Its totient is φ = 13024395528.

The previous prime is 30390256229. The next prime is 30390256271. The reversal of 30390256246 is 64265209303.

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

It is a junction number, because it is equal to n+sod(n) for n = 30390256199 and 30390256208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085366281 + ... + 1085366308.

It is an arithmetic number, because the mean of its divisors is an integer number (6512197770).

Almost surely, 2^30390256246 is an apocalyptic number.

30390256246 is a deficient number, since it is larger than the sum of its proper divisors (21707325914).

30390256246 is a wasteful number, since it uses less digits than its factorization.

30390256246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170732598.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 30390256246 in words is "thirty billion, three hundred ninety million, two hundred fifty-six thousand, two hundred forty-six".