30540450 has 48 divisors (see below), whose sum is σ = 76557600. Its totient is φ = 8056320.

The previous prime is 30540421. The next prime is 30540463. The reversal of 30540450 is 5404503.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13501 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (1594950).

Almost surely, 2^30540450 is an apocalyptic number.

30540450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30540450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38278800).

30540450 is an abundant number, since it is smaller than the sum of its proper divisors (46017150).

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

30540450 is a wasteful number, since it uses less digits than its factorization.

30540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30540450 is about 5526.3414661058. The cubic root of 30540450 is about 312.5780498380.

Adding to 30540450 its reverse (5404503), we get a palindrome (35944953).

It can be divided in two parts, 305 and 40450, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 30540450 in words is "thirty million, five hundred forty thousand, four hundred fifty".