30009561378 has 16 divisors (see below), whose sum is σ = 60173418240. Its totient is φ = 9977471216.

The previous prime is 30009561359. The next prime is 30009561431. The reversal of 30009561378 is 87316590003.

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, 6426450 + ... + 6431117.

It is an arithmetic number, because the mean of its divisors is an integer number (3760838640).

Almost surely, 2^30009561378 is an apocalyptic number.

30009561378 is an abundant number, since it is smaller than the sum of its proper divisors (30163856862).

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

30009561378 is a wasteful number, since it uses less digits than its factorization.

30009561378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857961.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 30009561378 in words is "thirty billion, nine million, five hundred sixty-one thousand, three hundred seventy-eight".