30264040 has 16 divisors (see below), whose sum is σ = 68094180. Its totient is φ = 12105600.

The previous prime is 30264019. The next prime is 30264043. The reversal of 30264040 is 4046203.

It can be written as a sum of positive squares in 2 ways, for example, as 29877156 + 386884 = 5466^2 + 622^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30263999 and 30264017.

It is not an unprimeable number, because it can be changed into a prime (30264043) 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, 378261 + ... + 378340.

Almost surely, 2^30264040 is an apocalyptic number.

It is an amenable number.

30264040 is an abundant number, since it is smaller than the sum of its proper divisors (37830140).

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

30264040 is a wasteful number, since it uses less digits than its factorization.

30264040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756612 (or 756608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30264040 is about 5501.2762155703. The cubic root of 30264040 is about 311.6321821525.

The spelling of 30264040 in words is "thirty million, two hundred sixty-four thousand, forty".