30045880 has 16 divisors (see below), whose sum is σ = 67603320. Its totient is φ = 12018336.

The previous prime is 30045871. The next prime is 30045931. The reversal of 30045880 is 8854003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375534 + ... + 375613.

Almost surely, 2^30045880 is an apocalyptic number.

It is an amenable number.

30045880 is an abundant number, since it is smaller than the sum of its proper divisors (37557440).

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

30045880 is a wasteful number, since it uses less digits than its factorization.

30045880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751158 (or 751154 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 30045880 is about 5481.4122267897. The cubic root of 30045880 is about 310.8815697234.

Adding to 30045880 its reverse (8854003), we get a palindrome (38899883).

The spelling of 30045880 in words is "thirty million, forty-five thousand, eight hundred eighty".