30090339978 has 8 divisors (see below), whose sum is σ = 60180679968. Its totient is φ = 10030113324.

The previous prime is 30090339931. The next prime is 30090340037. The reversal of 30090339978 is 87993309003.

It is a happy number.

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

30090339978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30090339978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507528326 + ... + 2507528337.

It is an arithmetic number, because the mean of its divisors is an integer number (7522584996).

Almost surely, 2^30090339978 is an apocalyptic number.

30090339978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30090339978 is a wasteful number, since it uses less digits than its factorization.

30090339978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015056668.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The spelling of 30090339978 in words is "thirty billion, ninety million, three hundred thirty-nine thousand, nine hundred seventy-eight".