30380480 has 112 divisors (see below), whose sum is σ = 79796640. Its totient is φ = 10948608.

The previous prime is 30380461. The next prime is 30380503. The reversal of 30380480 is 8408303.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278666 + ... + 278774.

It is an arithmetic number, because the mean of its divisors is an integer number (712470).

Almost surely, 2^30380480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30380480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39898320).

30380480 is an abundant number, since it is smaller than the sum of its proper divisors (49416160).

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

30380480 is a wasteful number, since it uses less digits than its factorization.

30380480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30380480 is about 5511.8490545370. The cubic root of 30380480 is about 312.0313358840.

Adding to 30380480 its reverse (8408303), we get a palindrome (38788783).

The spelling of 30380480 in words is "thirty million, three hundred eighty thousand, four hundred eighty".