30468040 has 32 divisors (see below), whose sum is σ = 70767360. Its totient is φ = 11793600.

The previous prime is 30468019. The next prime is 30468047. The reversal of 30468040 is 4086403.

30468040 = 230² + 231² + ... + 469².

It is a super-2 number, since 2×30468040² = 1856602922883200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30467996 and 30468014.

It is not an unprimeable number, because it can be changed into a prime (30468047) 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 7 ways as a sum of consecutive naturals, for example, 11046 + ... + 13525.

It is an arithmetic number, because the mean of its divisors is an integer number (2211480).

Almost surely, 2^30468040 is an apocalyptic number.

It is an amenable number.

30468040 is an abundant number, since it is smaller than the sum of its proper divisors (40299320).

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

30468040 is a wasteful number, since it uses less digits than its factorization.

30468040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24613 (or 24609 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30468040 is about 5519.7862277447. The cubic root of 30468040 is about 312.3308182914.

The spelling of 30468040 in words is "thirty million, four hundred sixty-eight thousand, forty".