30340400 has 60 divisors (see below), whose sum is σ = 73712544. Its totient is φ = 12000000.

The previous prime is 30340399. The next prime is 30340403. The reversal of 30340400 is 404303.

It is not an unprimeable number, because it can be changed into a prime (30340403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40025 + ... + 40775.

Almost surely, 2^30340400 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 30340400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36856272).

30340400 is an abundant number, since it is smaller than the sum of its proper divisors (43372144).

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

30340400 is a wasteful number, since it uses less digits than its factorization.

30340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30340400 is about 5508.2120511106. The cubic root of 30340400 is about 311.8940578285.

Adding to 30340400 its reverse (404303), we get a palindrome (30744703).

The spelling of 30340400 in words is "thirty million, three hundred forty thousand, four hundred".