30441540 has 24 divisors (see below), whose sum is σ = 85236480. Its totient is φ = 8117728.

The previous prime is 30441539. The next prime is 30441559. The reversal of 30441540 is 4514403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253620 + ... + 253739.

It is an arithmetic number, because the mean of its divisors is an integer number (3551520).

Almost surely, 2^30441540 is an apocalyptic number.

30441540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30441540 is an abundant number, since it is smaller than the sum of its proper divisors (54794940).

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

30441540 is a wasteful number, since it uses less digits than its factorization.

30441540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507371 (or 507369 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30441540 is about 5517.3852502793. The cubic root of 30441540 is about 312.2402406735.

Adding to 30441540 its reverse (4514403), we get a palindrome (34955943).

The spelling of 30441540 in words is "thirty million, four hundred forty-one thousand, five hundred forty".