30407841985 has 8 divisors (see below), whose sum is σ = 36490424040. Its totient is φ = 24325597824.

The previous prime is 30407841923. The next prime is 30407841991. The reversal of 30407841985 is 58914870403.

It can be written as a sum of positive squares in 4 ways, for example, as 19094541489 + 11313300496 = 138183^2 + 106364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30407841985 - 2⁷ = 30407841857 is a prime.

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, 201579 + ... + 318511.

It is an arithmetic number, because the mean of its divisors is an integer number (4561303005).

Almost surely, 2^30407841985 is an apocalyptic number.

It is an amenable number.

30407841985 is a deficient number, since it is larger than the sum of its proper divisors (6082582055).

30407841985 is a wasteful number, since it uses less digits than its factorization.

30407841985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168947.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 30407841985 in words is "thirty billion, four hundred seven million, eight hundred forty-one thousand, nine hundred eighty-five".