30610022868 has 18 divisors (see below), whose sum is σ = 77375335674. Its totient is φ = 10203340944.

The previous prime is 30610022851. The next prime is 30610022869. The reversal of 30610022868 is 86822001603.

30610022868 is a `hidden beast` number, since 30 + 610 + 0 + 2 + 2 + 8 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22102174224 + 8507848644 = 148668^2 + 92238^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 850278413 = 30610022868 / (3 + 0 + 6 + 1 + 0 + 0 + 2 + 2 + 8 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30610022869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425139171 + ... + 425139242.

Almost surely, 2^30610022868 is an apocalyptic number.

It is an amenable number.

30610022868 is an abundant number, since it is smaller than the sum of its proper divisors (46765312806).

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

30610022868 is a wasteful number, since it uses less digits than its factorization.

30610022868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850278423 (or 850278418 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 30610022868 in words is "thirty billion, six hundred ten million, twenty-two thousand, eight hundred sixty-eight".