30382040 has 32 divisors (see below), whose sum is σ = 73619280. Its totient is φ = 11217792.

The previous prime is 30382039. The next prime is 30382061. The reversal of 30382040 is 4028303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28694 + ... + 29733.

Almost surely, 2^30382040 is an apocalyptic number.

It is an amenable number.

30382040 is an abundant number, since it is smaller than the sum of its proper divisors (43237240).

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

30382040 is a wasteful number, since it uses less digits than its factorization.

30382040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58451 (or 58447 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30382040 is about 5511.9905660297. The cubic root of 30382040 is about 312.0366766001.

The spelling of 30382040 in words is "thirty million, three hundred eighty-two thousand, forty".