30440481 has 8 divisors (see below), whose sum is σ = 41896704. Its totient is φ = 19638960.

The previous prime is 30440479. The next prime is 30440483. The reversal of 30440481 is 18404403.

It is an interprime number because it is at equal distance from previous prime (30440479) and next prime (30440483).

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

It is not a de Polignac number, because 30440481 - 2¹ = 30440479 is a prime.

It is a super-2 number, since 2×30440481² = 1853245767022722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30440483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163566 + ... + 163751.

It is an arithmetic number, because the mean of its divisors is an integer number (5237088).

Almost surely, 2^30440481 is an apocalyptic number.

30440481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30440481 is a deficient number, since it is larger than the sum of its proper divisors (11456223).

30440481 is a wasteful number, since it uses less digits than its factorization.

30440481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327351.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 30440481 is about 5517.2892800722. The cubic root of 30440481 is about 312.2366198946.

Adding to 30440481 its reverse (18404403), we get a palindrome (48844884).

The spelling of 30440481 in words is "thirty million, four hundred forty thousand, four hundred eighty-one".