30408080 has 40 divisors (see below), whose sum is σ = 72616632. Its totient is φ = 11833344.

The previous prime is 30408071. The next prime is 30408083. The reversal of 30408080 is 8080403.

It can be written as a sum of positive squares in 4 ways, for example, as 4682896 + 25725184 = 2164^2 + 5072^2 .

It is a tau number, because it is divible by the number of its divisors (40).

30408080 is a modest number, since divided by 8080 gives 3040 as remainder.

It is not an unprimeable number, because it can be changed into a prime (30408083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177 + ... + 8096.

Almost surely, 2^30408080 is an apocalyptic number.

It is an amenable number.

30408080 is an abundant number, since it is smaller than the sum of its proper divisors (42208552).

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

30408080 is a wasteful number, since it uses less digits than its factorization.

30408080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323 (or 10317 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30408080 is about 5514.3521831671. The cubic root of 30408080 is about 312.1257984932.

Adding to 30408080 its reverse (8080403), we get a palindrome (38488483).

The spelling of 30408080 in words is "thirty million, four hundred eight thousand, eighty".