30853864040 has 16 divisors (see below), whose sum is σ = 69421194180. Its totient is φ = 12341545600.

The previous prime is 30853864031. The next prime is 30853864051. The reversal of 30853864040 is 4046835803.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30354699076 + 499164964 = 174226^2 + 22342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385673261 + ... + 385673340.

Almost surely, 2^30853864040 is an apocalyptic number.

It is an amenable number.

30853864040 is an abundant number, since it is smaller than the sum of its proper divisors (38567330140).

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

30853864040 is a wasteful number, since it uses less digits than its factorization.

30853864040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771346612 (or 771346608 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 30853864040 in words is "thirty billion, eight hundred fifty-three million, eight hundred sixty-four thousand, forty".