30466140 has 48 divisors (see below), whose sum is σ = 85645728. Its totient is φ = 8091904.

The previous prime is 30466127. The next prime is 30466141. The reversal of 30466140 is 4166403.

It is a self number, because there is not a number n which added to its sum of digits gives 30466140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30466141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16714 + ... + 18446.

It is an arithmetic number, because the mean of its divisors is an integer number (1784286).

Almost surely, 2^30466140 is an apocalyptic number.

30466140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30466140 is an abundant number, since it is smaller than the sum of its proper divisors (55179588).

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

30466140 is a wasteful number, since it uses less digits than its factorization.

30466140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30466140 is about 5519.6141169469. The cubic root of 30466140 is about 312.3243257953.

The spelling of 30466140 in words is "thirty million, four hundred sixty-six thousand, one hundred forty".