30400048 has 20 divisors (see below), whose sum is σ = 67314640. Its totient is φ = 13028544.

The previous prime is 30400037. The next prime is 30400049. The reversal of 30400048 is 84000403.

It is a junction number, because it is equal to n+sod(n) for n = 30399998 and 30400034.

It is not an unprimeable number, because it can be changed into a prime (30400049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135603 + ... + 135826.

It is an arithmetic number, because the mean of its divisors is an integer number (3365732).

Almost surely, 2^30400048 is an apocalyptic number.

It is an amenable number.

30400048 is an abundant number, since it is smaller than the sum of its proper divisors (36914592).

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

30400048 is a wasteful number, since it uses less digits than its factorization.

30400048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271444 (or 271438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30400048 is about 5513.6238536919. The cubic root of 30400048 is about 312.0983144037.

The spelling of 30400048 in words is "thirty million, four hundred thousand, forty-eight".