30440413 has 8 divisors (see below), whose sum is σ = 32242400. Its totient is φ = 28658448.

The previous prime is 30440393. The next prime is 30440429. The reversal of 30440413 is 31404403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30440413 - 2¹⁷ = 30309341 is a prime.

It is a super-2 number, since 2×30440413² = 1853237487221138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30440483) 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, 1818 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (4030300).

Almost surely, 2^30440413 is an apocalyptic number.

It is an amenable number.

30440413 is a deficient number, since it is larger than the sum of its proper divisors (1801987).

30440413 is a wasteful number, since it uses less digits than its factorization.

30440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011.

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

The square root of 30440413 is about 5517.2831176223. The cubic root of 30440413 is about 312.2363873961.

Adding to 30440413 its reverse (31404403), we get a palindrome (61844816).

The spelling of 30440413 in words is "thirty million, four hundred forty thousand, four hundred thirteen".