30413880 has 224 divisors, whose sum is σ = 118044000. Its totient is φ = 6905088.

The previous prime is 30413869. The next prime is 30413893. The reversal of 30413880 is 8831403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 204046 + ... + 204194.

Almost surely, 2^30413880 is an apocalyptic number.

30413880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30413880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59022000).

30413880 is an abundant number, since it is smaller than the sum of its proper divisors (87630120).

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

30413880 is a wasteful number, since it uses less digits than its factorization.

30413880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30413880 is about 5514.8780584887. The cubic root of 30413880 is about 312.1456420627.

The spelling of 30413880 in words is "thirty million, four hundred thirteen thousand, eight hundred eighty".