30014440 has 32 divisors (see below), whose sum is σ = 68645160. Its totient is φ = 11808000.

The previous prime is 30014431. The next prime is 30014443. The reversal of 30014440 is 4441003.

It can be written as a sum of positive squares in 4 ways, for example, as 13351716 + 16662724 = 3654^2 + 4082^2 .

It is not an unprimeable number, because it can be changed into a prime (30014443) 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, 3711 + ... + 8590.

Almost surely, 2^30014440 is an apocalyptic number.

It is an amenable number.

30014440 is an abundant number, since it is smaller than the sum of its proper divisors (38630720).

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

30014440 is a wasteful number, since it uses less digits than its factorization.

30014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30014440 is about 5478.5436020899. The cubic root of 30014440 is about 310.7730964181.

Adding to 30014440 its reverse (4441003), we get a palindrome (34455443).

The spelling of 30014440 in words is "thirty million, fourteen thousand, four hundred forty".