30048840 has 64 divisors (see below), whose sum is σ = 100166400. Its totient is φ = 8012736.

The previous prime is 30048817. The next prime is 30048841. The reversal of 30048840 is 4884003.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30048841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12832 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (1565100).

Almost surely, 2^30048840 is an apocalyptic number.

30048840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30048840 is an abundant number, since it is smaller than the sum of its proper divisors (70117560).

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

30048840 is a wasteful number, since it uses less digits than its factorization.

30048840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27843 (or 27833 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30048840 is about 5481.6822235515. The cubic root of 30048840 is about 310.8917783247.

The spelling of 30048840 in words is "thirty million, forty-eight thousand, eight hundred forty".