30855480 has 64 divisors (see below), whose sum is σ = 92944800. Its totient is φ = 8194560.

The previous prime is 30855469. The next prime is 30855481. The reversal of 30855480 is 8455803.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30855481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46350 + ... + 47010.

Almost surely, 2^30855480 is an apocalyptic number.

30855480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30855480 is an abundant number, since it is smaller than the sum of its proper divisors (62089320).

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

30855480 is a wasteful number, since it uses less digits than its factorization.

30855480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 30855480 is about 5554.7709223693. The cubic root of 30855480 is about 313.6491408745.

The spelling of 30855480 in words is "thirty million, eight hundred fifty-five thousand, four hundred eighty".